UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pb/f3u3GwbuZmpEwfZkGhr7OTHW7q4nuZBmmiK+zDXY=' 
WHERE 
  key_id = 'a76f74fff5d222265cd0f84c6e7be9503df219a4f82fb6619dc8a528ba87c96b' 
  AND (
    token = 'Pb/f3u3GwbuZmpEwfZkGhr7OTHW7q4nuZBmmiK+zDXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )