UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4693kUKAROrt6a18+aKY8KqY5t2MBBhBaKxVAAxem0=' 
WHERE 
  key_id = '131938149b6bd4f010a1119f609241862a812a1abfdcc2fad13e1335231c0e04' 
  AND (
    token = 'n4693kUKAROrt6a18+aKY8KqY5t2MBBhBaKxVAAxem0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )