Email Consent Never Subscribed Woo Commerce

Hello everyone,

I have the following issue:

I imported my contacts via the WooCommerce Klaviyo Connector. While the import was successful, all of my contacts have been marked with a "Never Subscribed" email consent status.

From what I understand, this means I won't be able to send emails to these contacts. 

Is there a way to change the consent status for these contacts in bulk, considering that all of them have agreed to receive emails? 

If there's an API solution, I'd appreciate the details. If not, what would be the recommended workaround?

In case i made something wrong in the Import how  can i delete these contacts in bulk?

Thanks in advance for your help!