UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sC9yjVVLNYWYtf1L1oAi5MDIt9nRioiqcKCjA/eTyXs=' 
WHERE 
  key_id = '8b7ebd006b3f48835ea0243f760e9a15eace49c9235232c476ae94e913f660d6' 
  AND (
    token = 'sC9yjVVLNYWYtf1L1oAi5MDIt9nRioiqcKCjA/eTyXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )