UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K324wdQebACDBGUtQ1bMyrzPYxk1FUqAQ+PPHBQdWjg=' 
WHERE 
  key_id = '55c66c751b5e73f8cabf8e94168317e8149c34b69e30036e110ff01e40ed11ee' 
  AND (
    token = 'K324wdQebACDBGUtQ1bMyrzPYxk1FUqAQ+PPHBQdWjg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )