UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xyapf8wEJfrL9LcYoU9GwwUmWKn63lwrFWhklmBk+Y=' 
WHERE 
  key_id = '4dd999fd3025e308390f1de5450309ac5e24c84e7802f86e31a507deb8850b6e' 
  AND (
    token = '6xyapf8wEJfrL9LcYoU9GwwUmWKn63lwrFWhklmBk+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )