UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8iR2h2vnB7uI0DUZ3DiuXFeKhJ6KfF5Eom5jUCWoUR4=' 
WHERE 
  key_id = '28dfa9f724601236d71758e4a1f73d297466b0d757bfc97ee2ab65966db3a828' 
  AND (
    token = '8iR2h2vnB7uI0DUZ3DiuXFeKhJ6KfF5Eom5jUCWoUR4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )