Exclude delay in course renewal Drip timer check

functions.php

class Drip_Expired_Check{

    public static $instance;
    public $time_to_adjust = 0;
    public static function init(){
        if ( is_null( self::$instance ) )
            self::$instance = new Drip_Expired_Check();
        return self::$instance;
    }
    private function __construct(){
         add_filter('bp_course_get_max_students',[$this,'expired_course'],10,3);
         add_action('wplms_course_subscribed',[$this,'start_course_reset'],10,2);
        add_action('wplms_course_product_puchased',[$this,'add_start_course'],10,2);
    }
    function add_start_course($course_id,$user_id){ 
        $check = get_user_meta($user_id,'start_course_'.$course_id,true); 
        if(empty($check)){ update_user_meta($user_id,'start_course_'.$course_id,time()); } 
    }
    function expired_course($count,$course_id,$user_id){
        $existing = intval(get_user_meta($user_id,$course_id,true));
        if($existing > 0 && $existing < time()){
            $time_to_adjust = time() - $existing;
            $this->time_to_adjust = $time_to_adjust; //cache time to adjust
        }
        return $count;
    }
    function start_course_reset($course_id,$user_id){
        if($this->time_to_adjust > 0){
            $check = intval(get_user_meta($user_id,'start_course_'.$course_id,true)); 
            if($check > 0){
                update_user_meta($user_id,'start_course_'.$course_id,$check+$this->time_to_adjust);    
            }
            
            //extend time lost in expired & re-instating the course
        }
        
    }
}
Drip_Expired_Check::init();