UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Prb6WeiKTth4lLw8OA7rvP04jY4SLUssBVY0EgKXyXY=' 
WHERE 
  key_id = '4afd6de2b446dfbf76148e6d1bf67ec49a2d64020d049630a422fdd4215fe973' 
  AND (
    token = 'Prb6WeiKTth4lLw8OA7rvP04jY4SLUssBVY0EgKXyXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )