UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4PnURna9AGzv9RNF5cFhznNA2NSQh5jmi+FUa0VbjjM=' 
WHERE 
  key_id = '12cd949e49ad9f53ebc3bf1613edba7f33d36fe66ffdcc82a6a6b97dd14d1569' 
  AND (
    token = '4PnURna9AGzv9RNF5cFhznNA2NSQh5jmi+FUa0VbjjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )