UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'atcMPhHy4oeQ+xZH5aZgGTzNvHuSRovZ6qOvqDBBxMA=' 
WHERE 
  key_id = '49bbc97e855c035846261a07a383e71131ebf256b2bdabba8b509eb384e90d6b' 
  AND (
    token = 'atcMPhHy4oeQ+xZH5aZgGTzNvHuSRovZ6qOvqDBBxMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )