The file format for (CSV) you upload must include the UPN, serial number, secret key, time interval, manufacturer, and model as the example below shows.
upn,serial number,secret key,time interval,manufacturer,model
As you mentioned, after a successful upload of the .csv file you could not see any failure?
Then you just need to activate the hardware token by clicking Activate
You will be prompted for a verification code that you get from the hardware token
After activation your tokens you can see the activation status in the portal
Have you tried above steps?
What make is your token?
Any error message on the portal?