UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Ys5oVqjU0qUSsXci+0ertdg0fxIgTdbFi9nTJSmLfo=' 
WHERE 
  key_id = 'f971a5b51354f7d816e1faf9b63a3356e3e13cd1dca771c36e06ae1094e774c2' 
  AND (
    token = '5Ys5oVqjU0qUSsXci+0ertdg0fxIgTdbFi9nTJSmLfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )