UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bd4XRZ07xU9I/g2L1gsBII8OOczr6puKmliGM49s14=' 
WHERE 
  key_id = '3b2d07c9f2d0e35a700919dee9cb5f466e168319928a54d3e78b757a16a21d40' 
  AND (
    token = '6bd4XRZ07xU9I/g2L1gsBII8OOczr6puKmliGM49s14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )