UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dNZBSPDHtpOvpX6BpmNfeapxCn/DdS3+K407m2S7+Z8=' 
WHERE 
  key_id = '4cea5a91efc4a080c333e2a8555f7043563e69a933cd87bd1e0b438562b367da' 
  AND (
    token = 'dNZBSPDHtpOvpX6BpmNfeapxCn/DdS3+K407m2S7+Z8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )