manually running custom script not changing the status

I have a script which runs after 24 hrs interval, if we get an alert we
work on it and after resolving the issue I tried to run that custom script
manually but it didnt change the status into green.

I had to wait until its next run, i.e. after 24 hrs.

How can I run the custom script before its next run time which will change
the xymon status if the issue is resolved?