Forums Scripts & Popups Need help with this flyby

Ok i have this flyby ban script but i want to adjust the time on it so how would i do it?

n 1:TEXT:*:#:{
if ($($+(%,chan.,joinpart.,$address),2)) {
unset $+(%,chan.,joinpart.,$address)
}
}

on 1:PART:#:{
if ($($+(%,chan.,joinpart.,$address),2)) {
set -u5 %flyby.flood [ $+ [ $chan ] ] 5
/ban -u600 $chan $address
notice $nick [- Banned From $chan ][Reason: FlyBy ][ Time: 10 Minutes -]
msg $chan [- Banned From $chan ][Reason: FlyBy ][ Time: 10 Minutes -]
}
}