UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emqnpXONaGoEIlnkQM6HmvjdRw0lpTM25NrPQdxgcJU=' 
WHERE 
  key_id = 'b8748ffc59e1608d8d336080223c393f1890e7f58f3e3255159b7a0b6fe95c80' 
  AND (
    token = 'emqnpXONaGoEIlnkQM6HmvjdRw0lpTM25NrPQdxgcJU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )