UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KnUDtF0+zU4wCHC+AiWgxd3pop7SHWyS3t3CA7WVBE0=' 
WHERE 
  key_id = 'a9ebc0f13883fa41bc783b0797a0e658ba87cc0355a9dc4f1b755adb845e9677' 
  AND (
    token = 'KnUDtF0+zU4wCHC+AiWgxd3pop7SHWyS3t3CA7WVBE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )