UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V3xvCBTJCATAgpNVBLDp4g33vMgf5JzHDzE9xYk360g=' 
WHERE 
  key_id = '55514bb1937bd579bf937d3a7460dbe61be9c654238970df34a4c8a90d4fc8cd' 
  AND (
    token = 'V3xvCBTJCATAgpNVBLDp4g33vMgf5JzHDzE9xYk360g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )