create trigger check_nova_poshta_spd_id_before_update
    before update
    on order_ttn_settings
    for each row
BEGIN
    IF NEW.spd_id IS NULL AND (NEW.is_active_beznal IS NULL OR NEW.is_active_beznal = 0) THEN
        SIGNAL SQLSTATE '45000' SET message_text = 'Заполните поле spd_id';
    END IF;
END;