UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '20uc9UZHAx2NNeSipJsxUQOr92I0M08flMkrmiK5MfA=' 
WHERE 
  key_id = 'f971601733b9bae387dacf7ecc9269c5b43df0f233139c31d7e0b52b7cc19393' 
  AND (
    token = '20uc9UZHAx2NNeSipJsxUQOr92I0M08flMkrmiK5MfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )