os, sign_key, app_version, create_time select from app_secret_key where 1 = 1 and os = #{os} and app_version = #{version} order by app_version desc insert into app_secret_key (os, sign_key, app_version, create_time) values (#{os,jdbcType=INTEGER}, #{signKey,jdbcType=VARCHAR}, #{appVersion,jdbcType=VARCHAR}, #{createTime,jdbcType=TIMESTAMP}) select from app_secret_key where sign_key = #{signKey} limit 1 update app_secret_key set os=#{os,jdbcType=INTEGER}, app_version=#{appVersion,jdbcType=VARCHAR}, create_time=now() where sign_key=#{signKey,jdbcType=VARCHAR} delete from app_secret_key where sign_key = #{signKey,jdbcType=VARCHAR}