UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iM0SLCzk9tgMS8eI21A56DlnJX+ilW5nPiNzBFak88E=' 
WHERE 
  key_id = '6f1effb5e4f0ab27985c9502d4cbe16e48bf09905e7958971f444fca55cf838b' 
  AND (
    token = 'iM0SLCzk9tgMS8eI21A56DlnJX+ilW5nPiNzBFak88E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )