UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QQXiMNA5AdCxYDNKVnzLDIS4xdAv5vH91AQAAVBvQtI=' 
WHERE 
  key_id = '9f574f470af1a4aa273647a1fc0c26ae592dc17923be5d73cb4487217404187a' 
  AND (
    token = 'QQXiMNA5AdCxYDNKVnzLDIS4xdAv5vH91AQAAVBvQtI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )