How to reset dst-limit counters

I need to reset dst-limit (burst) counters via script no matter if rate had been exceeded or not. What would be the most CPU friendly way to do that every 30 seconds?

is it possible at all?..

Currently I change burst value +1 or -1 and which resets the hit counters.

this is done automatically for connection, so, if you are running long connections,you will reach the limit and be dealt with. my suggestion would be to create higher limit. Because it only starts to work if connection bytes reach some level. that packet counting is not to worry about.