UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u1cuMBWBw8fraTRgVA0wTAf0luAXryiN0u4giSHfAmA=' 
WHERE 
  key_id = 'f315b18ec90153ec5c4fc5d225abf37a4d10b28087cef6229ef65c22016297c2' 
  AND (
    token = 'u1cuMBWBw8fraTRgVA0wTAf0luAXryiN0u4giSHfAmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )