Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql   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 r

Downloading packages: warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-server-5.7.44-1.el7.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 3a79bd29: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

解决方法：

rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

有效