Code:
UPDATE spawn2 SET respawntime=3600 WHERE respawntime>3600
Entered into Navicat or MySQL Query Browser.
Respawntime is in seconds.
60 seconds per minute * 60 minutes per hour = 60 * 60 = 3600 seconds in an hour.
This changes about 1733 mobs' respawn times, some of which are over a week normally. Heh.