First, AKL is the three letter code for Auckland, NZ.

As a MP member, your miles & certs are useless as far as an upgrade is concerned. You could use your miles for a free ticket of course.

Could you get an op-up? Well, it IS possible, but so unlikely it is not worth thinking about. NZ would presumably take care of all *A *G after its own and then its own *S before looking for other *A *S members to op-up. It is highly unlikely that they would need to op-up that many pax.