MySQL: How to add one day to datetime field in query

Question

In my table I have a field named eventdate in datetime format like 2010-05-11 00:00:00.

How do i make a query so that it adds

Answer 1

$date = strtotime(date("Y-m-d", strtotime($date)) . " +1 day");

Or, simplier:

date("Y-m-d H:i:s", time()+((60*60)*24));