UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/RT6Enpmn0BiDRKtdpF097HAHcuQXf7VKODvbHcX8DM=' 
WHERE 
  key_id = '6319f79292c1332f42c392d41dca390506b57cd71df4c4609fd6e08c912227b8' 
  AND (
    token = '/RT6Enpmn0BiDRKtdpF097HAHcuQXf7VKODvbHcX8DM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )