UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ACGtdoZB8SSrM07N/V3N3wEqb+zHumPQ46yg+urAGec=' 
WHERE 
  key_id = 'c7e2b2ab83d1b466ed4c7c4891937bc10a5c46d9435c8223b99389c62888306d' 
  AND (
    token = 'ACGtdoZB8SSrM07N/V3N3wEqb+zHumPQ46yg+urAGec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )