Automattic\WP\Cron_Control\Lock::prime_lock PHP Метод

    public static function prime_lock($lock, $expires = 0)
    {
        wp_cache_add(self::get_key($lock), 0, null, $expires);
        wp_cache_add(self::get_key($lock, 'timestamp'), time(), null, $expires);
        return null;
    }