UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dFY9ncPezzTDf8SH6zo74xRISKQtiW1ldfe8WLaUe2Y=' 
WHERE 
  key_id = '7804a79cf3982038b9d9f588057cd4aa7817c41b13d72718916c70dc0fdf19d0' 
  AND (
    token = 'dFY9ncPezzTDf8SH6zo74xRISKQtiW1ldfe8WLaUe2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )