Try just:
UNIX_TIMESTAMP()
And see here: http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_unix-timestamp
Try just:
UNIX_TIMESTAMP()
And see here: http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_unix-timestamp