UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNoii2qfC8BiRATTydc/vVaI71Jmxd6r6hqWSIy3zpY=' 
WHERE 
  key_id = '28d4e86d6fa8872044e4591fd17d66772ade015ba49981bbd3096031cc7c2b04' 
  AND (
    token = 'MNoii2qfC8BiRATTydc/vVaI71Jmxd6r6hqWSIy3zpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )