Sync some fields between Hubspot CRM and MySQL database via Hubspot API

We want to synchronize data between our Hubspot CRM and our MySQL database, bidirectionally, using hubspot API. https://developers.hubspot.com/docs/api/overview

The fields to sync belong to the same table in the database:
stats_days_free_premi (number)
stats_end_trial (date)
stats_first_download (date)
stats_first_strategie (date)
stats_first_validation (date)
stats_ip (text)
stats_lang_id (number)
stats_last_access (date)
stats_num_downloads (number)
stats_num_strat_mod (number)
stats_num_validaciones_ordered (number)
stats_num_validations (number)
stats_score (number)
stats_stat_id (number)
stats_subscription_date (date)
stats_trial (text)
stats_type_subscription (text)
stats_user_id (number)
stats_validation_24h (number)