How to associate the application on enterprise wechat with the Sybase database of the store

Now all the sales data of the store , Are stored in the sybase Data in the database
And my application on enterprise wechat ( Deployed on alicloud servers ) To associate to this database , There are many data interactions
The method used now is , hold sybase The data on the database is synchronized to Alibaba cloud RDS Database , Then the program on Alibaba cloud's ECS reads RDS Data on the database
Aliyun server → Alibaba cloud RDS database → sybase database
Every time 2 Search once per second , If sales data is generated , Synchronize this change to Alibaba cloud mysql database
I'm using python Of pandas.read_sql Read sybase Data in the database , If there is new data , Send it to Alibaba cloud , do mysql The operation of adding, deleting, modifying and reducing

inv_table = pd.read_sql('SELECT * FROM p_inv', self.sybase_engine1, parse_dates='psl_date').apply(lambda x: x.astype(str).str.encode('cp850').str.decode('gbk'))                    inv_table = inv_table[inv_table['piv_date'] == self.today.strftime('%Y-%m-%d')]                last_bill_num = inv_table['piv_bill_no'].values.tolist()[-1]                print(last_bill_num, bill_num)                if last_bill_num >= f'0{bill_num}':                    cols = ','.join(inv_table.columns.values)                    df = inv_table[inv_table['piv_bill_no'] == f'0{bill_num}']                    print(df)                    if not df.empty:                        inv_sql = f"insert into p_inv({cols}) values(%s{ 
     ' ,%s' * (len(inv_table.columns) - 1)})"                        cursor.execute(inv_sql, df.values.tolist()[0])                        self.ali_sales_conn.commit()                        self.update_p_sale_store(cursor, f'0{bill_num}')                        self.ali_sales_conn.commit()

This is too complicated for me , Is there a simpler way , Just give me an idea