saml_sp-8.x-3.x-dev/saml_sp.install

<?php

/**
 * @file
 * Update functions for the SAML SP module.
 */

/**
 * Add config option to change expiration of metadata.
 */
function saml_sp_update_8401() {
  $config_factory = \Drupal::configFactory();
  $config = $config_factory->getEditable('saml_sp.settings');
  $config->set('valid_until', '');
  $config->save(TRUE);
}