PHP - Actualizar secuencias

CREATE TRIGGER `trigger_secuencias` BEFORE INSERT ON `clientes`

 FOR EACH ROW BEGIN

	IF (NEW.lun > 0) THEN

		UPDATE clientes set lun = lun + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND lun >= NEW.lun;

	END IF;

	IF (NEW.mar > 0) THEN

		UPDATE clientes set mar = mar + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND mar >= NEW.mar;

	END IF;

	IF (NEW.mie > 0) THEN

		UPDATE clientes set mie = mie + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND mie >= NEW.mie;

	END IF;

	IF (NEW.jue > 0) THEN

		UPDATE clientes set jue = jue + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND jue >= NEW.jue;

	END IF;

	IF (NEW.vie > 0) THEN

		UPDATE clientes set vie = vie + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND vie >= NEW.vie;

	END IF;

	IF (NEW.sab > 0) THEN

		UPDATE clientes set sab = sab + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND sab >= NEW.sab;

	END IF;

	IF (NEW.dom > 0) THEN

		UPDATE clientes set dom = dom + 1

		WHERE ruta = NEW.ruta AND dias REGEXP NEW.dias AND dom >= NEW.dom;

	END IF;

END