if(!is_page_template('search.php')) {
    set_transient( 'last_url', $current_url, 60*60 );
}

if(!is_page_template('search.php')) {
    if(stripos($current_url, 'search') === false) {
        set_transient( 'shop_last_url', $current_url, 60*60 );
    }
}