UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVWiacUcRQw66X8CS1YZaB5kIwEu7W+XohjFiytjM/Q=' 
WHERE 
  key_id = 'e21bc6d6806ae8471c2046f5cdb1d33bca0ca0db0ee65d56ca7a73ae3367559a' 
  AND (
    token = 'PVWiacUcRQw66X8CS1YZaB5kIwEu7W+XohjFiytjM/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )