UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U8rH6mPQXpAu4yHoRHiFSdEb+yTYJqkwq5fAI4nDt6I=' 
WHERE 
  key_id = '27a0158ee04dfa715489a63e32ff70adc3aa644e84d47fba37618a65a208db69' 
  AND (
    token = 'U8rH6mPQXpAu4yHoRHiFSdEb+yTYJqkwq5fAI4nDt6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )