UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJRlH+/MoDfBKgGXIPqPO8PXpf5Ps9kFVbP9we5ONDY=' 
WHERE 
  key_id = '0c776b928ed15d2782d5113dbe58898baec2ba80b17cdafcf089f0ee5b56bbd2' 
  AND (
    token = 'PJRlH+/MoDfBKgGXIPqPO8PXpf5Ps9kFVbP9we5ONDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )