/**
  * Create/update tables utilized by the plugin
  * @since 1.1.0
  */
 public function launchkey_create_tables()
 {
     $table_name = $this->wpdb->prefix . 'launchkey_sso_sessions';
     $sql = "CREATE TABLE {$table_name} (\n\t\t\tid VARCHAR(255) NOT NULL,\n\t\t\tseen DATETIME NOT NULL,\n\t\t\tUNIQUE KEY {$table_name}_id (id)\n\t\t);";
     require_once ABSPATH . 'wp-admin/includes/upgrade.php';
     $this->facade->dbDelta($sql);
 }