Let\'s say I got a table, something like this:
ID | TITLE 1 | AAA 2 | BBB 3 | CCC 4 | DDD 5 | EEE ...
A second way of doing it (the first one being with CASE WHEN ... THEN END as already stated in other answers) is:
CASE WHEN ... THEN END
ORDER BY ID=4 DESC, ID=1 DESC, ID=5 DESC