UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Vkziyzs0qNLscWF8YNZV+8PkGUBAZnNVt/Zwr+NTos=' 
WHERE 
  key_id = '937c9cde78eda2f7400b5c97aaa96c4ba599645bb7c6f3f53ce14b395d31a35b' 
  AND (
    token = '2Vkziyzs0qNLscWF8YNZV+8PkGUBAZnNVt/Zwr+NTos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )