UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epnbDfYX4hQq1m7FH6UZR45CT7w2OdLe9WTqBJWSYoE=' 
WHERE 
  key_id = '29688c145d4ede2f5edbcb3ee6761245955f2de7d63e3b5c932a63748de3f1e6' 
  AND (
    token = 'epnbDfYX4hQq1m7FH6UZR45CT7w2OdLe9WTqBJWSYoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )