UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9GjZ3eJxdTAYA9OvRAnpMhDEpZtR71X0p49jIndSuyE=' 
WHERE 
  key_id = 'cdf208b0e0950a628e389c08ded84c3c890274fa112d63faaf5195c562713f39' 
  AND (
    token = '9GjZ3eJxdTAYA9OvRAnpMhDEpZtR71X0p49jIndSuyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )