UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DjMEWLokEqf3QzEdSTJAj6DA2203cam5p3cFlMGL8tU=' 
WHERE 
  key_id = '79e9f617eed30da0ae7d540cf93def5740a4628c9c51307324fe5a5005d109d3' 
  AND (
    token = 'DjMEWLokEqf3QzEdSTJAj6DA2203cam5p3cFlMGL8tU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )