UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yJVCDrWMTVQp7lj3hUniA+WEXYCSUtRP0jIbOTWR6ds=' 
WHERE 
  key_id = 'c068d6b399b4dce61349a3b891fb559a14d137515ca514454000532e83b108b4' 
  AND (
    token = 'yJVCDrWMTVQp7lj3hUniA+WEXYCSUtRP0jIbOTWR6ds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )