code: def update(self, node: Update):
      collection = node.table.parts[-1]
      mquery = MongoQuery(collection)
  
      filters = self.handle_where(node.where)
      row = {k: v.value for k, v in node.update_columns.items()}
      mquery.add_step(
          {"method": "update_many", "args": [filters, {"$set": row}]}
      )
      return mquery
  
file_path: mindsdb/mindsdb/integrations/handlers/mongodb_handler/utils/mongodb_render.py
imports: import datetime
  from mindsdb_sql.parser.ast import *
  from mindsdb.api.mongo.utilities.mongodb_query import MongoQuery
label_desc: Use image node_id 2 for calling the MongodbRender obj's underlying member method code with example usage: obj.update(node) and returns: mquery