UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3udfRWF/xZg8AtmrAQi+i97bonEWXfQWmqqtgEKVFaQ=' 
WHERE 
  key_id = '8b5e64329025ee6fd320cc570b411887a30891141ab6d91291eee51c2bde1d74' 
  AND (
    token = '3udfRWF/xZg8AtmrAQi+i97bonEWXfQWmqqtgEKVFaQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )