Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8d6c0706b2afa5e8d2f766fe1cf95d81bd7e65fedc21ba162fb5b26d7defa756' 
  AND token = 'oxQ7G7TRNDTlBLaQDHA4eswXBCEc8SqKYksrBzLAozw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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