UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vFp46+/aMfzQekhmggY/E3bU/uc1mB5wjO88e9qcbNo=' 
WHERE 
  key_id = '251e98e031fb1720b8bffb9afd8086c8d9bb11893eef7ff338ab51f108e9713a' 
  AND (
    token = 'vFp46+/aMfzQekhmggY/E3bU/uc1mB5wjO88e9qcbNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )