SELECT 
  cscart_aprilproducts.*, 
  cscart_aprilproduct_descriptions.*, 
  MIN(
    IF(
      cscart_aprilproduct_prices.percentage_discount = 0, 
      cscart_aprilproduct_prices.price, 
      cscart_aprilproduct_prices.price - (
        cscart_aprilproduct_prices.price * cscart_aprilproduct_prices.percentage_discount
      )/ 100
    )
  ) as price, 
  GROUP_CONCAT(
    CASE WHEN (
      cscart_aprilproducts_categories.link_type = 'M'
    ) THEN CONCAT(
      cscart_aprilproducts_categories.category_id, 
      'M'
    ) ELSE cscart_aprilproducts_categories.category_id END 
    ORDER BY 
      cscart_aprilcategories.storefront_id IN (0, 1) DESC, 
      (
        cscart_aprilproducts_categories.link_type = 'M'
      ) DESC, 
      cscart_aprilproducts_categories.category_position ASC, 
      cscart_aprilproducts_categories.category_id ASC
  ) as category_ids, 
  popularity.total as popularity, 
  company_descr.i18n_company as company_name, 
  cscart_aprilproduct_sales.amount as sales_amount, 
  cscart_aprilseo_names.name as seo_name, 
  cscart_aprilseo_names.path as seo_path, 
  MIN(point_prices.point_price) as point_price, 
  cscart_aprildiscussion.type as discussion_type, 
  cscart_aprilproduct_review_prepared_data.average_rating average_rating, 
  cscart_aprilproduct_review_prepared_data.reviews_count product_reviews_count 
FROM 
  cscart_aprilproducts 
  LEFT JOIN cscart_aprilproduct_prices ON cscart_aprilproduct_prices.product_id = cscart_aprilproducts.product_id 
  AND cscart_aprilproduct_prices.lower_limit = 1 
  AND cscart_aprilproduct_prices.usergroup_id IN (0, 0, 1) 
  LEFT JOIN cscart_aprilproduct_descriptions ON cscart_aprilproduct_descriptions.product_id = cscart_aprilproducts.product_id 
  AND cscart_aprilproduct_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_aprilcompany_descriptions as company_descr ON company_descr.company_id = cscart_aprilproducts.company_id 
  AND company_descr.lang_code = 'en' 
  LEFT JOIN cscart_aprilcompanies as companies ON companies.company_id = cscart_aprilproducts.company_id 
  INNER JOIN cscart_aprilproducts_categories ON cscart_aprilproducts_categories.product_id = cscart_aprilproducts.product_id 
  INNER JOIN cscart_aprilcategories ON cscart_aprilcategories.category_id = cscart_aprilproducts_categories.category_id 
  AND cscart_aprilcategories.storefront_id IN (0, 1) 
  AND (
    cscart_aprilcategories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_aprilcategories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_aprilcategories.usergroup_ids
    )
  ) 
  AND (
    cscart_aprilproducts.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_aprilproducts.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_aprilproducts.usergroup_ids
    )
  ) 
  AND cscart_aprilcategories.status IN ('A', 'H') 
  AND cscart_aprilproducts.status IN ('A', 'H') 
  LEFT JOIN cscart_aprilproduct_popularity as popularity ON popularity.product_id = cscart_aprilproducts.product_id 
  LEFT JOIN cscart_aprilproduct_sales ON cscart_aprilproduct_sales.product_id = cscart_aprilproducts.product_id 
  AND cscart_aprilproduct_sales.category_id = 168 
  LEFT JOIN cscart_aprilseo_names ON cscart_aprilseo_names.object_id = 244 
  AND cscart_aprilseo_names.type = 'p' 
  AND cscart_aprilseo_names.dispatch = '' 
  AND cscart_aprilseo_names.lang_code = 'en' 
  LEFT JOIN cscart_aprilproduct_point_prices as point_prices ON point_prices.product_id = cscart_aprilproducts.product_id 
  AND point_prices.lower_limit = 1 
  AND point_prices.usergroup_id IN (0, 0, 1) 
  LEFT JOIN cscart_aprildiscussion ON cscart_aprildiscussion.object_id = cscart_aprilproducts.product_id 
  AND cscart_aprildiscussion.object_type = 'P' 
  LEFT JOIN cscart_aprilproduct_review_prepared_data ON cscart_aprilproduct_review_prepared_data.product_id = cscart_aprilproducts.product_id 
  AND cscart_aprilproduct_review_prepared_data.storefront_id = 0 
WHERE 
  cscart_aprilproducts.product_id = 244 
  AND (
    companies.status IN ('A') 
    OR cscart_aprilproducts.company_id = 0
  ) 
GROUP BY 
  cscart_aprilproducts.product_id

Query time 0.00166

JSON explain

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    "cost_info": {
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    "grouping_operation": {
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      "nested_loop": [
        {
          "table": {
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            "access_type": "system",
            "possible_keys": [
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            "rows_examined_per_scan": 0,
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          }
        },
        {
          "table": {
            "table_name": "cscart_aprilproducts",
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              "data_read_per_join": "4K"
            },
            "used_columns": [
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              "list_price",
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              "length",
              "width",
              "height",
              "shipping_freight",
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              "timestamp",
              "updated_timestamp",
              "usergroup_ids",
              "is_edp",
              "edp_shipping",
              "unlimited_download",
              "tracking",
              "free_shipping",
              "zero_price_action",
              "is_pbp",
              "is_op",
              "is_oper",
              "is_returnable",
              "return_period",
              "avail_since",
              "out_of_stock_actions",
              "localization",
              "min_qty",
              "max_qty",
              "qty_step",
              "list_qty_count",
              "tax_ids",
              "age_verification",
              "age_limit",
              "options_type",
              "exceptions_type",
              "details_layout",
              "shipping_params",
              "show_videos_before_images",
              "autoplay_videos",
              "facebook_obj_type",
              "parent_product_id",
              "buy_now_url",
              "units_in_product",
              "show_price_per_x_units",
              "enable_print_product",
              "ec_clipart_lists"
            ]
          }
        },
        {
          "table": {
            "table_name": "popularity",
            "access_type": "const",
            "possible_keys": [
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            ],
            "key": "PRIMARY",
            "used_key_parts": [
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            ],
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            "used_columns": [
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          }
        },
        {
          "table": {
            "table_name": "cscart_aprilproduct_sales",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY",
              "pa"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id",
              "product_id"
            ],
            "key_length": "6",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 0,
            "rows_produced_per_join": 1,
            "filtered": "0.00",
            "unique_row_not_found": true,
            "cost_info": {
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              "eval_cost": "0.20",
              "prefix_cost": "0.00",
              "data_read_per_join": "16"
            },
            "used_columns": [
              "category_id",
              "product_id",
              "amount"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_aprilproducts_categories",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "pt"
            ],
            "key": "pt",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 1,
            "filtered": "100.00",
            "cost_info": {
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              "prefix_cost": "1.20",
              "data_read_per_join": "16"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type",
              "category_position"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_aprilcategories",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "c_status",
              "p_category_id"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id"
            ],
            "key_length": "3",
            "ref": [
              "vishalecarter_april_setup.cscart_aprilproducts_categories.category_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "5.00",
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              "prefix_cost": "1.40",
              "data_read_per_join": "133"
            },
            "used_columns": [
              "category_id",
              "storefront_id",
              "usergroup_ids",
              "status"
            ],
            "attached_condition": "((`vishalecarter_april_setup`.`cscart_aprilcategories`.`storefront_id` in (0,1)) and ((`vishalecarter_april_setup`.`cscart_aprilcategories`.`usergroup_ids` = '') or find_in_set(0,`vishalecarter_april_setup`.`cscart_aprilcategories`.`usergroup_ids`) or find_in_set(1,`vishalecarter_april_setup`.`cscart_aprilcategories`.`usergroup_ids`)) and (`vishalecarter_april_setup`.`cscart_aprilcategories`.`status` in ('A','H')))"
          }
        },
        {
          "table": {
            "table_name": "cscart_aprilproduct_prices",
            "access_type": "ref",
            "possible_keys": [
              "usergroup",
              "product_id",
              "lower_limit",
              "usergroup_id"
            ],
            "key": "product_id",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 2,
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              "prefix_cost": "1.52",
              "data_read_per_join": "2"
            },
            "used_columns": [
              "product_id",
              "price",
              "percentage_discount",
              "lower_limit",
              "usergroup_id"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_aprilproduct_prices), ((`vishalecarter_april_setup`.`cscart_aprilproduct_prices`.`lower_limit` = 1) and (`vishalecarter_april_setup`.`cscart_aprilproduct_prices`.`usergroup_id` in (0,0,1))), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_aprilproduct_descriptions",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY",
              "product_id"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "product_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.00",
              "eval_cost": "0.02",
              "prefix_cost": "1.54",
              "data_read_per_join": "467"
            },
            "used_columns": [
              "product_id",
              "lang_code",
              "product",
              "shortname",
              "short_description",
              "full_description",
              "meta_keywords",
              "meta_description",
              "search_words",
              "page_title",
              "age_warning_message",
              "promo_text",
              "unit_name"
            ]
          }
        },
        {
          "table": {
            "table_name": "company_descr",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "company_id",
              "lang_code"
            ],
            "key_length": "10",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.00",
              "eval_cost": "0.02",
              "prefix_cost": "1.56",
              "data_read_per_join": "176"
            },
            "used_columns": [
              "company_id",
              "lang_code",
              "i18n_company"
            ]
          }
        },
        {
          "table": {
            "table_name": "companies",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "company_id"
            ],
            "key_length": "4",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 1,
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            "filtered": "100.00",
            "cost_info": {
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              "prefix_cost": "1.58",
              "data_read_per_join": "636"
            },
            "used_columns": [
              "company_id",
              "status"
            ],
            "attached_condition": "<if>(found_match(companies), ((`vishalecarter_april_setup`.`companies`.`status` = 'A') or 0), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_aprilseo_names",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "dispatch"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "type",
              "dispatch",
              "lang_code"
            ],
            "key_length": "206",
            "ref": [
              "const",
              "const",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.10",
              "eval_cost": "0.02",
              "prefix_cost": "1.70",
              "data_read_per_join": "173"
            },
            "used_columns": [
              "name",
              "object_id",
              "type",
              "dispatch",
              "path",
              "lang_code"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_aprildiscussion",
            "access_type": "const",
            "possible_keys": [
              "object_id"
            ],
            "key": "object_id",
            "used_key_parts": [
              "object_id",
              "object_type"
            ],
            "key_length": "6",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.00",
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              "prefix_cost": "1.72",
              "data_read_per_join": "2"
            },
            "used_columns": [
              "object_id",
              "object_type",
              "type"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_aprilproduct_review_prepared_data",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "product_id",
              "storefront_id"
            ],
            "key_length": "7",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.00",
              "eval_cost": "0.02",
              "prefix_cost": "1.74",
              "data_read_per_join": "1"
            },
            "used_columns": [
              "product_id",
              "storefront_id",
              "average_rating",
              "reviews_count"
            ]
          }
        }
      ]
    }
  }
}

Result

product_id product_code product_type status company_id list_price amount weight length width height shipping_freight low_avail_limit timestamp updated_timestamp usergroup_ids is_edp edp_shipping unlimited_download tracking free_shipping zero_price_action is_pbp is_op is_oper is_returnable return_period avail_since out_of_stock_actions localization min_qty max_qty qty_step list_qty_count tax_ids age_verification age_limit options_type exceptions_type details_layout shipping_params show_videos_before_images autoplay_videos facebook_obj_type parent_product_id buy_now_url units_in_product show_price_per_x_units enable_print_product ec_clipart_lists lang_code product shortname short_description full_description meta_keywords meta_description search_words page_title age_warning_message promo_text unit_name price category_ids popularity company_name sales_amount seo_name seo_path point_price discussion_type average_rating product_reviews_count
244 B00F3IUN27 P A 1 0.00 1 0.000 0 0 0 0.00 0 1383854400 1384347268 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} N N 0 0.000 1.000 N en Packard Bell OneTwo <p> Great Packard Bell all in one PC with 23" HD LCD Multi Touchscreen and Windows 7. The PC is in perfect working order. The LCD screen is very crisp and bright and the touchscreen is responsive and easy to use The casing is in good but used condition, there is hardly a mark on it and only noticeable very close up. Comes with an Intel i3 CPU and a dedicated nVidia Geforce 315 video card for superb performance. Also has a Freeview TV card so you can watch and record TV.It has an HDMI out port making it simple to connect to a larger TV if required. It has had a fresh install of Windows 7 including the full Packard Bell software suite. Windows has been fully updated and you are ready to go straight out of the box. Has an active recovery partition enabling you to perform a full reset to factory defaults straight from the hard drive and also create a spare set of recovery discs. </p> 729.99000000 168M 138 CS-Cart packard-bell-onetwo 167/168 B 4.33 3