Thanks for sharing details about your site.
WP Cron is disabled in your site and that is the reason why the scheduled jobs are not running.
Is there any specific reason why DISABLE_WP_CRON is disabled in your wp-config.php file? If no, then remove that line from your wp-config.php file and it should work again.
You can read about this setting here https://codex.wordpress.org/Editing_wp-config.php#Disable_Cron_and_Cron_Timeout