UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hGKT/GykCIwJD8tyO/eOHZGcsquEaL8grvOfzHWo/n0=' 
WHERE 
  key_id = '12dc001583999da865c8482e134ba469209165dae7de80908447fe73b14fc300' 
  AND (
    token = 'hGKT/GykCIwJD8tyO/eOHZGcsquEaL8grvOfzHWo/n0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )