UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wr7rDf84jidWS6L4hfFAsoIqoVt5JroQCAo7VsuSxO0=' 
WHERE 
  key_id = '918c71f285355ac6e59073083e76b3ba231dadd5f8ad40655a0a18920a9c69a5' 
  AND (
    token = 'Wr7rDf84jidWS6L4hfFAsoIqoVt5JroQCAo7VsuSxO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )