UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XiscZeWw+5G3+xvQ02jFhs14uDO1IBjdXQ1PzBnZiys=' 
WHERE 
  key_id = '6b38663d0a3edc6f9c6001f0967414d21c50295abaa4c2a75adf60b52dffbc27' 
  AND (
    token = 'XiscZeWw+5G3+xvQ02jFhs14uDO1IBjdXQ1PzBnZiys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )