UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3OiRK03tq5G+MIucF2YPNReIlZMH3fgDNq1bOmDZ2Pc=' 
WHERE 
  key_id = 'a8c7fe486afeb53d2972d48952edf9e044aa03e3f482f93d8e0758338aa57610' 
  AND (
    token = '3OiRK03tq5G+MIucF2YPNReIlZMH3fgDNq1bOmDZ2Pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )