UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3X9DEafSQ9ym9U0JJV4lnmk4rgiTh9KdQvFwNLORMqU=' 
WHERE 
  key_id = '2fd9156aa449b97a39cd9b44e6f3ca93191655d1bd499c5c8db39dfdca1e6673' 
  AND (
    token = '3X9DEafSQ9ym9U0JJV4lnmk4rgiTh9KdQvFwNLORMqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )