How Two-part-quantity Intervals Work In An Event?

Based on the documentation, there is multiple kinds of interval quantity: Ok I'm fine with single ones: YEAR, MONTH, DAY, SECOND, ... But I cannot understand how duplex ones work:

Solution 1:

MINUTE_SECOND => 'MINUTES:SECONDS'

http://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html

WHEN YOU USE MINUTES_SECONDS YOU HAVE TO GIVE IT IN ABOVE FORMAT