UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QXr3S/4v+JOF6ilE5YAKApTGIUsG4EP2GyNlzK5iF1o=' 
WHERE 
  key_id = 'e9d9f93e7d3da58605f184176a44d6cd9d12453456738898358f2c0ab1273afe' 
  AND (
    token = 'QXr3S/4v+JOF6ilE5YAKApTGIUsG4EP2GyNlzK5iF1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )