Possibilities:
1. It took them way longer than it should have.
2. They cracked it sooner but did not reveal it until now. (don’t show all your cards the second they are dealt)
Worst case is that they are able to crack near real time (24 hrs or less) but Q doesn’t know that.
DES is insecure. This is mainly due to the 56-bit key size being too small. In January 1999, distributed.net and the Electronic Frontier Foundation collaborated to publicly break a DES key in 22 hours and 15 minutes (see chronology).Data Encryption Standard - Wikipedia
That was in 1999. "Common and ordinary" computing power has inceased 1000 fold since then.
Irrelevant at this point -- if the DOJ jet made two round trips to Arkansas, and returned laden with boxes of Clinton Foundation and Massage Parlour documents.