("update channels set read_codec='%q',read_rate='%q',read_bit_rate='%q',write_codec='%q',write_rate='%q',write_bit_rate='%q' where uuid='%q' and hostname='%q'",
("update channels set read_codec='%q',read_rate='%q',read_bit_rate='%q',write_codec='%q',write_rate='%q',write_bit_rate='%q' where uuid='%q'",