UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BlAHg2+FCLxKwbu2OxBGjP/BHq7HNl1V9Yc4TJa+XuE=' 
WHERE 
  key_id = 'a8998d56b11bb1ec7777dc21b0d13841192fe5cb088613d125de9837d702684c' 
  AND (
    token = 'BlAHg2+FCLxKwbu2OxBGjP/BHq7HNl1V9Yc4TJa+XuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )