UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6AU4vfTJZjhoMvtulNG2QV6UoqgtKgZuBaXDvW/x1YE=' 
WHERE 
  key_id = 'd30b5a59729166ddb2a375d4c11215574c38889e9cc31400dd9d2574463b4b7a' 
  AND (
    token = '6AU4vfTJZjhoMvtulNG2QV6UoqgtKgZuBaXDvW/x1YE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )