UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dmvwGApsKjB5bBmM8+peu7bFdq7XqoMSVUHltsCjamU=' 
WHERE 
  key_id = '4d6b0c6117070ff42aa3b89df3eb60b6b74fb333c661180740b9a6e436e544fb' 
  AND (
    token = 'dmvwGApsKjB5bBmM8+peu7bFdq7XqoMSVUHltsCjamU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )