UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLoHq2jL/C8DIcUKO0zCKaATbkqdmMlKhZ0mrMMl0Z0=' 
WHERE 
  key_id = '98752e59dbd5266594d4eaf656e7d3fab293b300c24c09ef513b5a529fa9dfe1' 
  AND (
    token = 'KLoHq2jL/C8DIcUKO0zCKaATbkqdmMlKhZ0mrMMl0Z0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )