code: def _update_access_key_pair(self, access_key_id, key, val):
          
          # Get current state via HTTPS.
          current_access_key = self.get_access_key(access_key_id)
  
          # Copy and only change the single parameter.
          payload_dict = KeenApi._build_access_key_dict(current_access_key)
          payload_dict[key] = val
  
          # Now just treat it like a full update.
          return self.update_access_key_full(access_key_id, **payload_dict)
docs: Helper for updating access keys in a DRY fashion.