UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NRf7SsftjMrPnPl5V3i0ZLAHcyUoB2RK+aBiU+fX61I=' 
WHERE 
  key_id = '12506ef358acf2ae4b4da386f1cf6325c6261e0fc6617edec2098534aa5c6d3c' 
  AND (
    token = 'NRf7SsftjMrPnPl5V3i0ZLAHcyUoB2RK+aBiU+fX61I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )