UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RhuW6msI5SgePdbGgKY1qQD9TFHx4qnv08CeqNZoaOk=' 
WHERE 
  key_id = '2f50fe7050d13b4590fed04b60c99e1eac561f1fead7cc86070ec0110baac28b' 
  AND (
    token = 'RhuW6msI5SgePdbGgKY1qQD9TFHx4qnv08CeqNZoaOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )