UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6hWMAVjP58glmZqBzgGTJqks2v8M2UbNQu3EMSZtY4=' 
WHERE 
  key_id = '4a5e19ab78c0f3f262b42fe53d7edcf5eebd60878708113d0a781f16093ff9fc' 
  AND (
    token = 'N6hWMAVjP58glmZqBzgGTJqks2v8M2UbNQu3EMSZtY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )