How to bulk add a category to unpublished news?

Question

MySQL

Hello! need help! How to massively add a category to unpublished news in dle 12. Do not add comme il faut with your hands. categories of serials with their genres, there is not enough category of foreign serials
, I found a similar question, the answer is a request

UPDATE `dle_post` SET `category` = IF(`category` = '0', 'cat_id', CONCAT(`category`, IF(`category` != '', ',', ''), 'cat_id'))

I understand that he will add a category to all the news!
Question: How to bulk add a category to unpublished news!
Thank you in advance