nonce_ajax_nopriv

    private function wooms_nonce_check($nonce = ''){
      if(empty($nonce)){
        return false;
      }

      if($nonce == get_transient('wooms_nonce')){
        delete_transient('wooms_nonce');
        return true;
      } else {
        return false;
      }

    }
    private function wooms_nonce_create(){
      set_transient('wooms_nonce', wp_hash(time()), 60*60);
      return get_transient('wooms_nonce');
    }