UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ndgN5D+T3KNdWIPmrT7xyWeLMx03hFqJRUGT4gBdwY=' 
WHERE 
  key_id = '3f5283c5d3a388be1e1f3adcae40194105a048ca4bf4f129671bea364f91ff59' 
  AND (
    token = '/ndgN5D+T3KNdWIPmrT7xyWeLMx03hFqJRUGT4gBdwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )