UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkbBo1CjBbimKAGjDKZkeW0KW9ma4cyqegh/U1Le6oE=' 
WHERE 
  key_id = '290511226759fd945b2c64ea98e5c049db4c165636007a7335d91309954c374a' 
  AND (
    token = 'gkbBo1CjBbimKAGjDKZkeW0KW9ma4cyqegh/U1Le6oE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )