UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SGFuyZ2988YOZdoOwsvMs92Npp8hEcNZzkc0l42VuNU=' 
WHERE 
  key_id = 'a3760ad73b0599bfea8796e706842af1b28038901a5238e131bf69719daea726' 
  AND (
    token = 'SGFuyZ2988YOZdoOwsvMs92Npp8hEcNZzkc0l42VuNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )