UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vBlApiQugNaLUffgO12tcAWY9jMu1FQiNbFChJtODrA=' 
WHERE 
  key_id = 'd802cf5eb4742f04341d9f35d814afaa187393e430a5ac656e0f9ba87e89b602' 
  AND (
    token = 'vBlApiQugNaLUffgO12tcAWY9jMu1FQiNbFChJtODrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )