insert into app_sign_key (os, app_version, sign_key, create_time) values (#{os,jdbcType=VARCHAR}, #{appVersion,jdbcType=VARCHAR}, #{signKey,jdbcType=VARCHAR}, #{createTime,jdbcType=TIMESTAMP}) delete from app_sign_key where sign_key = #{signKey} update app_sign_key set os=#{os,jdbcType=INTEGER}, app_version=#{appVersion,jdbcType=VARCHAR}, create_time=now() where sign_key=#{signKey,jdbcType=VARCHAR}