UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4g4hTQDhuKMAnBh+cLHD5BOKgJg8L5gIJwhebb78M/s=' 
WHERE 
  key_id = 'cc251625732411fbb6d980640533ad093c7f79b19d20823e426150ddd5a8972e' 
  AND (
    token = '4g4hTQDhuKMAnBh+cLHD5BOKgJg8L5gIJwhebb78M/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )