UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9ymTB97Pirql9Nyc5SFwRHy9lh3WICu19dVLumVfkwE=' 
WHERE 
  key_id = 'bc658d4782ca95f98d07858c80afc2c55480e0fa3b692fafafaabe70a35ad8b8' 
  AND (
    token = '9ymTB97Pirql9Nyc5SFwRHy9lh3WICu19dVLumVfkwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )