No, and they haven’t since 2015. Any “new” key for sale on eBay or Amazon marketplace is likely stolen, an MSDN key (for developers only), or a fake.
Unauthorized software setups frequently break the connection to official update channels. Running Microsoft Office 2010 without official security updates is highly dangerous, as it leaves the software vulnerable to remote code execution bugs and unpatched exploits that hackers actively target. Legal and Compliance Implications microsoft office 2010 toolkit and ezactivator 223rar full