[Solved] deleting item from database after 30 minutes [duplicate]

Question

As stated by Barmar in their answer here:

DELETE FROM my_table
WHERE timestamp < NOW() - INTERVAL 30 MINUTE
Write a PHP script that executes this SQL, and add a crontab entry
that runs it every 30 minutes. Or use the MySQL Event Scheduler to run
it periodically; it is described here.

Accepted Answer

As stated by Barmar in their answer here:

DELETE FROM my_table
WHERE timestamp < NOW() - INTERVAL 30 MINUTE
Write a PHP script that executes this SQL, and add a crontab entry
that runs it every 30 minutes. Or use the MySQL Event Scheduler to run
it periodically; it is described here.