UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x1MmYY/qpouP9FN47bVoZN+qOAwAwsWsT0bVoXhY+1w=' 
WHERE 
  key_id = '4d001d34601b5652082194b8b7b8b3fabe558a035ec640809a441b16de8b81ff' 
  AND (
    token = 'x1MmYY/qpouP9FN47bVoZN+qOAwAwsWsT0bVoXhY+1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )