I want my SQL updates set up at certain time daily



Ofcourse that can be done automaticly, you probably need to configure your server with some cron-tasks so it executes some scripts at the time you want.

I don't know how to do that though.

But I do have another suggestion:
You can try to adjust your current code so it will not use data when that should not be available.
You could make a field in your tables called "UseAfterDate", insert a date and time in that field from when the data should be available. Then adjust your query's so they only get records that wich "UseAfterDate" is in the past.

Greetz Daan