UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4bFAAhFpgr/DsTOlAP1wTjGwqafc7VdlKVzFV9BoNoA=' 
WHERE 
  key_id = '83836bf83a2bc7fa64af8c847c090a63f3839d6deb5e95ae266381be0e339eb0' 
  AND (
    token = '4bFAAhFpgr/DsTOlAP1wTjGwqafc7VdlKVzFV9BoNoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )