mysql - How can I change the time in a $query

Question

I know nothing of coding and have a site where if a reservation is more than 6 minutes old it is deleted. I have looked through the files and found this.

$query = "DELETE 
          FROM $table_app 
          WHERE status = 'reservation' AND created < (NOW() - INTERVAL 6 MINUTE)";

If I change the interval time in this line will it work or is the time taken from somewhere else. If this is the time can I change the units to HOURS OR DAYS. I need to stop the reservation being automatically deleted for at least 6 months.

Answer 1

等待大神答复