UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K76O9TgjA1jsY4FQY2q9IyBtH7oPdd6DxDsx7esyoRI=' 
WHERE 
  key_id = '15fa700f9a82447de49e827a6d6cd5a76ab9d9cdc215fd351ccdd4eb39f67973' 
  AND (
    token = 'K76O9TgjA1jsY4FQY2q9IyBtH7oPdd6DxDsx7esyoRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )