Nonce validation fix for logged out user with WooCommerce setuped

nonce-fix.php

<?php 
class My_Plugin {

    public function hook() {
        add_filter('nonce_user_logged_out', array($this, 'nonce_fix'), 100, 2);
    }

    public function nonce_fix($uid = 0, $action = ''){

        $nonce_actions = array('pgfy-ajax-modal','pgfy-add-to-cart');

		if(in_array($action, $nonce_actions)) {
			return 0;
		}

		return $uid;
    }
}