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}