If you didn't get the 30 days time then you likely didn't get the code applied correctly. The preorder codes and EA codes would have worked fine, the registration code not so much. 1.0 CE buyers were automaticall upgraded as ARR CE owners, so that's why you have the new CE stuff.

And yes, you need to make a new service account to log into the same "SE account" at the same time. However as these two service accounts both require subscriptions and both have their own character pools it's no different from just having a "parent" account to hold two "child" accounts.