How to make something like a timer in PHP?

Question

PHP

Hello, I have a table in which there is time from and to, I need the script to check when it ends. Well, for example, it's 19:30 now, and MySQL says that you have a guarantee until 19:59, and at this time 1 script will work, and when the time is up, another script will work. (For each user its own time)

Answer 1

On a cron task that will look at the database every minute, is it worth it to start or stop some kind of script - well, write the status to the database -running not running so as not to start again