UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uGYaPPTmn5pnrJqO4I5hu5RnHOeBqMee55SfkeWRdGU=' 
WHERE 
  key_id = '6bc3e41febd108ffecb44847fa2b6f2a1201c877c23033403dd7d35f78716320' 
  AND (
    token = 'uGYaPPTmn5pnrJqO4I5hu5RnHOeBqMee55SfkeWRdGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )