UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/RCVvkrzeKvA97tNmn8WVX6DByLIL4+AwLefP2Ru4Rk=' 
WHERE 
  key_id = 'e462ca2866f4c9674b060b04f21822394157931d1734c9dcda42da4ce4d5dbbd' 
  AND (
    token = '/RCVvkrzeKvA97tNmn8WVX6DByLIL4+AwLefP2Ru4Rk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )