hook_update a rule configuration? I would like to update a payment method settings. As I understand, the settings are inside a RulesReactionRule. 

Is it possible to modify the configuration of a RulesReactionRule using a hook_update ?  

Thanks.
I've finally found how to export the Drupal commerce payment method settings using commerce_features and the patch: https://www.drupal.org/node/1973098#comment-10559856