UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iIaEeFmhg9gOS49OW3Ct9WO9E9uQOK1HSZqlzHqYNIA=' 
WHERE 
  key_id = '3fd4c30a696c90a255888d16c8b6d6853ac73937efe69d6755b1e924be15d534' 
  AND (
    token = 'iIaEeFmhg9gOS49OW3Ct9WO9E9uQOK1HSZqlzHqYNIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )