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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '3deb23b5243fc58f7a8b830feaf056d1de8b959450524d8b6fc02e119934e144' 
  AND token = '9Qkgm4g7NxRmj0/tlaf/ouaoqU7QfyefenGlfcoObbg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}