MySQL Specific Delete And Update Record Prevent Using Trigger

-- DELETE Restriction
-- -----------------------------------------------------------------------
DELIMITER //

CREATE TRIGGER prevent_delete_id_1
BEFORE DELETE ON your_table
FOR EACH ROW
BEGIN
  IF OLD.id = 1 THEN
    SIGNAL SQLSTATE '45000'
      SET MESSAGE_TEXT = 'Deletion of row with id = 1 is not allowed';
  END IF;
END//

DELIMITER ;
-- -----------------------------------------------------------------------
-- UPDATE Restriction
-- -----------------------------------------------------------------------
DELIMITER //

CREATE TRIGGER prevent_update_id_1
BEFORE UPDATE ON your_table
FOR EACH ROW
BEGIN
  IF OLD.id = 1 THEN
    SIGNAL SQLSTATE '45000'
      SET MESSAGE_TEXT = 'Update of row with id = 1 is not allowed';
  END IF;
END//

DELIMITER ;
-- -----------------------------------------------------------------------