UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2OEtNnXRxUdhdDRu6lWAY7RhudCYte1NWLAqg4Pr/GQ=' 
WHERE 
  key_id = '9c6e4af89cd1623e4bb4a0ba7f4160ee5c1d487fdf3ae8087bc62f81b00144fd' 
  AND (
    token = '2OEtNnXRxUdhdDRu6lWAY7RhudCYte1NWLAqg4Pr/GQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )