UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1QS59329DGA0574whKEg/rH5DX9TXm3i5V1MjG57GHU=' 
WHERE 
  key_id = '8a7853fc04ffb092586a75e2c6a1c0c5733b5a38b563313bad677856615327b2' 
  AND (
    token = '1QS59329DGA0574whKEg/rH5DX9TXm3i5V1MjG57GHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )