UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n82iBzrz+57GzZPgU3H3N6kmgI7LiOZTugBAyFZfZvQ=' 
WHERE 
  key_id = 'a80a7d576dbad2a154e710a30109c5c94506b21867b8b495d6a06c946b35d55c' 
  AND (
    token = 'n82iBzrz+57GzZPgU3H3N6kmgI7LiOZTugBAyFZfZvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )