Retaking the OAT

I am really confused if I should re-take the OAT. The first time I wrote it, I scored AA 300 and TS 310. Considering these as low scores, I signed up to write the OAT again. Also, on my OptomCAS application, I indicated that I would be taking the test again. However, I received interview invites from 4 schools fews days after I sent in my application. Now, I am really unsure if it's worth writing the OAT again, considering the fact that I received interview invites.

A few suggestions would...

Retaking the OAT