UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X+JzL7jxVepPH1IovE0rUeyuDGIb8rRDkugsN8iyRik=' 
WHERE 
  key_id = '3cf50b41c903697c1cc28f47a8203ccc9d37b75fbcc301c71406864ccccefdb4' 
  AND (
    token = 'X+JzL7jxVepPH1IovE0rUeyuDGIb8rRDkugsN8iyRik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )