UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zwob20Ozxw0iQtOJhTTNthLllVkiVOpqA8ei1dhz/zw=' 
WHERE 
  key_id = 'd48181f55358af8976a11ce2c9c27649f27e4747dbd34cc0601ddfc92f2816b7' 
  AND (
    token = 'Zwob20Ozxw0iQtOJhTTNthLllVkiVOpqA8ei1dhz/zw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )