UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pDu7UVWpdmv21JHavhkGI4138U13SjTFGa/78d41O2I=' 
WHERE 
  key_id = '4b6822ac297ee4775e7308120aed2eda1eab1fd510de74e89eba75d8ef815de1' 
  AND (
    token = 'pDu7UVWpdmv21JHavhkGI4138U13SjTFGa/78d41O2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )