UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QsMibHrkl/xlrxW0qwWZH8MkUTgSciGicATie/rYDBk=' 
WHERE 
  key_id = '255fac8a3cdf85e680a3ab92d3e042159614b66a9ae074403025d5ad95659823' 
  AND (
    token = 'QsMibHrkl/xlrxW0qwWZH8MkUTgSciGicATie/rYDBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )