UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlU4yA/9nOD9Cn+EY1m2AsV6Pv2rtFrIuHvK49p7hPA=' 
WHERE 
  key_id = 'c723aa6559fd836052a8078c3bc2fcd6d57fa9302b318cbd2522118d3314eb16' 
  AND (
    token = 'RlU4yA/9nOD9Cn+EY1m2AsV6Pv2rtFrIuHvK49p7hPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )