UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OV2v4x72RFrnHhi63HWL/g9Z3nAkHYvjT3pOu5LYUxA=' 
WHERE 
  key_id = '20583d5ea3800b93b25750c620c8206e12a61567bffd16340ea714a1671ff148' 
  AND (
    token = 'OV2v4x72RFrnHhi63HWL/g9Z3nAkHYvjT3pOu5LYUxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )