Can 2 RFID card reader using i2c interface be connected to one Arduino

Hay guys need some help with my latest project. I wont go much into detail but my main question is can i use 2 RFID reader connected via I2c to An Uno simultaniously. The idea is that its almost like the Movie , in a submarine there need to have 2 officer turbin the key simultaniously to activate missile. I warna do that but only itu RFID card. Is it posible???

Currently Im looking at this product

www.lelong.com.my/nfc-rfid-pn532-i2c-module-arduino-project-ebazaar-I1360448C-2007-01-Sale-I.htm
However this product have very limited descrition as far as i can say that this product dont have selectable I2c id..

If this is not an option for my project can i make use of 2 AtTiny to be slave that fuction as a serial reader RFID interface and would transmite back to the Master as I2c?? Any help would be greatfull and hope you guys would/could suggest any other idea to make my project a reality.. Tuhanku in advance for any help you guys can give...

It doesn't look like it has a selectable ID to me either.
You can still make it work though. You can use software to "fake" a second interface,
or you can add a circuit to switch between them. Or you can start looking at other readers.

So what Im thinking right one is to make use of 1 Master Uno and 2 Slave AtTiny. Each AtTiny would have their own RFID reader that is connected Serially. So Since each AtTiny could have different address i could coomunicated to the RFID via I2c. I think thats the idea so far.

@EternityForesst:
How would you sugggest how to fake the interface???? Circuit wise??