UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VC85zdK5sUcljiKUniBljfFoiWEdTIX99SfNEd98zP0=' 
WHERE 
  key_id = 'd51bd4d21a0166fde2cf8842655df59a003962b5920776ce4a52c7da8c3027d9' 
  AND (
    token = 'VC85zdK5sUcljiKUniBljfFoiWEdTIX99SfNEd98zP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )