UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U3ekh3pLDJGA8WjhzLFDaCz0untXcza6GKeMVfFqWCA=' 
WHERE 
  key_id = '4a97d5b3fd49f208c35269cafb858b1c95c2dd24115f7ea14f0eb317e701017e' 
  AND (
    token = 'U3ekh3pLDJGA8WjhzLFDaCz0untXcza6GKeMVfFqWCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )