Permisja na uzywanie co 30minut

Tak jak w temacie potrzebuje aby ktos dopisal do tego zeby komenda /buty1 oraz /buty2 mogla byc uzywana co 30minut

command /buty1:
    permission: mega.buty
    trigger:
        give diamond boots named "&a&lButy szybkosci 1" to player
        
command /buty2:
    permission: mega.buty
    trigger:
        give diamond boots named "&a&lButy szybkosci 2" to player        

every 1.8 seconds:
    loop all players:
        if loop-player is wearing a diamond boots named "&aButy szybkosci 1":
            apply speed 1 to the loop-player for 2 seconds
            
every 1.8 seconds:
    loop all players:
        if loop-player is wearing a diamond boots named "&aButy szybkosci 2":
            apply speed 2 to the loop-player for 2 seconds