UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ay5yQDs2fkDq9pBMACqyO37JOS36eXcv2DTSH37sqcc=' 
WHERE 
  key_id = '23836de7c829025b55073cc518745b9c217cda055127d548aab6eafffdd6451f' 
  AND (
    token = 'Ay5yQDs2fkDq9pBMACqyO37JOS36eXcv2DTSH37sqcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )