UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jWgQVy/xqdlKILZPPdbE8itbtK1uOznv0VAITFg/2W4=' 
WHERE 
  key_id = '664edd695ab42145395bab64e8ab30148c4017b2dc8b7bdd8e4076ef0724d378' 
  AND (
    token = 'jWgQVy/xqdlKILZPPdbE8itbtK1uOznv0VAITFg/2W4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )