INSERT INTO component_access_token ( ID, COMPONENT_ACCESS_TOKEN, EXPIRES_IN_TIME, DEL_FLAG, CREATED_BY, CREATED_TIME, UPDATED_BY, UPDATED_TIME ) VALUES ( REPLACE ( UUID(), '-', '' ), #{componentAccessToken}, #{expiresInTime}, #{delFlag}, #{createdBy}, NOW(), #{updatedBy}, NOW() ) delete from component_access_token where del_flag = 0 SELECT COMPONENT_ACCESS_TOKEN FROM component_access_token WHERE DEL_FLAG = '0' select count(id) from component_access_token WHERE del_flag = 0 SELECT COUNT(*) FROM component_access_token WHERE del_flag = 0 AND (UNIX_TIMESTAMP(expires_in_time) - UNIX_TIMESTAMP(NOW())) 900 SELECT COMPONENT_ACCESS_TOKEN FROM component_access_token WHERE DEL_FLAG = '0' ORDER BY UPDATED_TIME DESC LIMIT 1