UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PlULaAO3GONIR0mJy//I5uVWY8uxzElquIFCYImQDs=' 
WHERE 
  key_id = '18eaad913c535f8e0a202afd7fc340a25b82b8010a24feb86710fb2c3779f72f' 
  AND (
    token = '/PlULaAO3GONIR0mJy//I5uVWY8uxzElquIFCYImQDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )