Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '449058edab7854c339fbe8bca419f59a4f49b1422235e8c4af0ec470b447c3ad' 
  AND token = 'f7pOHcr47WYeyeKWMueXDyA8Y4BgnrKRBBX5CmKB3UY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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