UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F2xfPzx8xR/fdwPWeqWEAbZY2ExPyIEIYjnFgx5DMsk=' 
WHERE 
  key_id = '84ae0489d5799c32879bf964912f2560aec2e25261e8dd0928b2c0e9712a435e' 
  AND (
    token = 'F2xfPzx8xR/fdwPWeqWEAbZY2ExPyIEIYjnFgx5DMsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )