Insert into private_key(private_key,public_key,key_unit,create_time,update_time)
values (#{privateKey},#{publicKey},#{keyUnit},#{createTime},#{updateTime})
Update private_key
id = #{id},
private_key = #{privateKey},
public_key = #{publicKey},
key_unit = #{keyUnit},
create_time = #{createTime},
update_time = #{updateTime},
where id = #{id}
delete from private_key where id = #{id}