UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '76Dvh07aOU7+AZVFibpN0SW4E1T4avpy2fLvBcp3UTI=' 
WHERE 
  key_id = '1ebcdb82f971549f8c58515e31b14e633dd278cf637d3c236efba44e3a3a6258' 
  AND (
    token = '76Dvh07aOU7+AZVFibpN0SW4E1T4avpy2fLvBcp3UTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )