device receives a timestamp at creation

no new devices are ever without a lastConnection timestamp

server/routes.py

@@ -235,6 +235,7 @@ def generateDeviceFingerprint():
         if not db.session.query(Device).filter(Device.deviceName==fingerprint).first():
             # Save as new Device
             device = Device(deviceName=fingerprint, connection=False)
+            device.lastConnection = int(round(time.time()))
             db.session.add(device)
             db.session.commit()
             break;