How to block mac for limit time?

Hello ,
I want to be able to block mac address for 24 hours , how can i do this ?
this is how I block the MAC
/ip firewall filter
add chain=forward src-mac-address=aa:bb:cc:dd:ee:ff action=drop

but where do I give it counter of 24 hours?

Thanks,

you can use bridge facility with scheduler and scrip tools.

can you xplain to me ?

Thanks ,