Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4cb9b3c821d440851dd5d8a02b5bac4b97b292761f2253a86aeead92e03069b0' 
  AND token = 'EV0Z+cCuC+Ae7jWk4o/8eM6ZQT1NzZZXb6t6CiLdiBc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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