Batch Job to Post Chatter feed on Accounts

Need a batch job to run every hour and Post chatter feed on accounts. There are two objects called Customer Registration and Accounts. My batch job should first pick all the customer registrations with certain specifications("Checked for prospects = false", Name !=null, Phone number!=null) and pick all accounts(with specifications "start onboarding chatter post = false, account status=prospect) and find its related account based on("Name on Customer registration = name on account", "Phone number on Customer Registration = phone number on accounts", "ship to customer number on Customer registration = ship to customer number on accounts") and post a chatter feed on the accounts and mark checked for prospect = True, Start onboarding chatter post = True