You'll be "current" if you've tried to update within the last 24 hours - always. As for the update, walleye-ota-pq2a.190305.002-1a12c227 should be 1,170,443KB. You can download it at
https://developers.google.com/android/images#walleye (scroll down to March 2019) and sideload it (using adb).
For the update, see if setting it to None turns it off. ("Lock" the screen with the power button [long press, then Lockdown], bring it back with the power button, and you should see your home page. From there, change it to Swipe, and "unlocking" it should bring you to the swipe page.)