UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C5DaTFlNxc1YxI4axj6Mu733IPpd2YIzBidgwxrFVks=' 
WHERE 
  key_id = '565884cf7a732b7aaa1220003d104f152a45566bc9f7cc957316e78b470049bc' 
  AND (
    token = 'C5DaTFlNxc1YxI4axj6Mu733IPpd2YIzBidgwxrFVks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )