https://blog.csdn.net/m0_64284147/article/details/126257728
https://blog.csdn.net/m0_67392010/article/details/126034669
The GPG keys listed for the "MySQL 5.7 Community Server" repository are already installed but they are not correct for this package.
Check that the correct key URLs are configured for this repository.Failing package is: mysql-community-server-5.7.37-1.el7.x86_64GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
解决:
rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
https://blog.csdn.net/Jaeger_Java/article/details/124425409
https://blog.csdn.net/u010704350/article/details/122755825