UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kSa3fjHsBtwv3g2dhC8xIizdDDDegFyQD+gc3cUFnFc=' 
WHERE 
  key_id = '8fec1bfe181e15715ee4717537d9f41ee6340a688615abefe0607430ca0da2e5' 
  AND (
    token = 'kSa3fjHsBtwv3g2dhC8xIizdDDDegFyQD+gc3cUFnFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )