Can’t login to admin dashboard

Dear helpers,

I’ve recently started using wordpress. Today i installed the latest wordpress version and did an update on all the plugins i’m currently using. Together with that i made the mistake of changing the site url in the general settings. That resulted in that i can’t login to the wp-dashboard anymore.

I tried de-activating the plugins and themes in the SFTP files at the host. Changing the folder name from both, themses and plugings, dind’t do a thing.

Then i tried adding:
” update_option( ‘siteurl’, ‘https://example.com’ );
update_option( ‘home’, ‘https://example.com’ ); ”
to the functions.php file and uploaded that again. Didn’t do a thing either. Before i start doing stuff i don’t know, is there someone that can help me or has any idea how to fix this problem?

The page I need help with: [log in to see the link]