UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ojbK318hm4fzwLnh6KLtUH3Sr4lqK2E+7i8IW2fepVI=' 
WHERE 
  key_id = '3aca3accd721e71401b25fa755bef31652d2d8a6dae0c634457e4ebf41d51638' 
  AND (
    token = 'ojbK318hm4fzwLnh6KLtUH3Sr4lqK2E+7i8IW2fepVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )