VPS MySQL Optimization Needed

Hello There. I have a vps that on paper should be very powerful but it is running very slow and the cpu is very high. Can someone help please thanks This is the spec Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz Speed 2199.998 MHz Cache 16384 KB 1.2TB SSD and 50gb ram These are my mycnf file settings [mysqld] innodb_file_per_table=1 default-storage-engine=innodb innodb_buffer_pool_size=30000M performance-schema=0 max_allowed_packet=268435456 open_files_limit=65535 #skip-name-resolve host_cache_size=1500M query_cache_size =200M [isamchk] key_buffer = 3000M sort_buffer_size = 1M read_buffer = 1M write_buffer = 1000M [myisamchk] key_buffer = 10000M sort_buffer_size = 4M read_buffer = 4M write_buffer = 4M

Pid	Owner	Priority	CPU %	Memory %	Command
30601	mysql	0	344.34	44.84	/usr/sbin/mysqld