Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4f48e91edb817e205901591b76c908957300f324c906e7944bb2fb479fc10c76' 
  AND token = 'Tj3yxKAGrLjphp7UCUUpnFOg463d9V9iIis3no77vLs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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