nginx webp express + expires to add to an existing nginx config

nginx-expires-nextgen

# There is a lot of stuff before here

    location ~* \.(css|js|ico|gif|webp|svg|eot|otf|woff|woff2|ttf|ogg)$ {
        expires 365d;
    }
    
    location ~* ^/?content/.*\.(png|jpe?g)$ {
        add_header Vary Accept;
        expires 365d;
        if ($http_accept !~* "webp") {
            break;
        }
        try_files
            $uri.webp
            /content/plugins/webp-express/wod/webp-on-demand.php?xsource=x$request_filename&wp-content=content
            ;
    }
    
    location ~* ^/?content/.*\.(png|jpe?g)\.webp$ {
        try_files
            $uri
            /content/plugins/webp-express/wod/webp-realizer.php?wp-content=content
            ;
    }
    
    location ~*  \.(pdf)$ {
        expires 30d;
    }