UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rpXemrs0gHXN5CRGYj8IdOhNyLOtYcS9yOEgMIel5Jc=' 
WHERE 
  key_id = '4debb163866b63b4fce6038b9079774e2c8e888e15c9979067722913257a848c' 
  AND (
    token = 'rpXemrs0gHXN5CRGYj8IdOhNyLOtYcS9yOEgMIel5Jc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )