UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0gGRafEutv+4Mh4s0tlyAtemwdhiPkjXfTxAHtVyMAo=' 
WHERE 
  key_id = '907214a86132f1e252a5751a83306d8d6092cd1670c7d692af19b686cb60b356' 
  AND (
    token = '0gGRafEutv+4Mh4s0tlyAtemwdhiPkjXfTxAHtVyMAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )