Olnick Organization locked down $85 million to refinance its office-and-retail building on Prince Street in Soho. First Republic Bank provided the financing, according to records filed with the city Friday. The loan includes a new $29.2 million mortgage, and replaces a $62 million loan from AXA Equitable Life Insurance, issued in 2008. The building at 63-67 Prince Street has an alternative address at 256-268 Lafayette Street, and spans 169,960 square feet across 15 stories.