UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3CfC2GW8wuodUqR09lAWaIdC32gwUXSvwmY5iX96NjM=' 
WHERE 
  key_id = '38fb1740e0b12c7aeaf748d72dd68626bb4d704cf33ab3a501db106e723f1d1e' 
  AND (
    token = '3CfC2GW8wuodUqR09lAWaIdC32gwUXSvwmY5iX96NjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )