UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3WQor3jwtB+gAu713i9J/z5F/cf2bd59F8YaXWbJj40=' 
WHERE 
  key_id = 'cd79caebf2695585e76546fbfa974a9225fd3817a08c32af598fdbea54d3b56b' 
  AND (
    token = '3WQor3jwtB+gAu713i9J/z5F/cf2bd59F8YaXWbJj40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )