MySQL: Need to rename INTERVAL type

[chancemedia]

In schema update:
...
Table editor_watch_preferences
DBD::mysql::db do failed: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INTERVAL NOT NULL DEFAULT '1 week'' at line 1 at backend/mysql.pl line 360, line 1028.
Table editor_watch_artist
...