UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '527COvaZ14pGWoznFPhHZN0boT+gHHvmvXsVa5ZHas0=' 
WHERE 
  key_id = '6f2b4553e03970e41d4523c24e3252903e6cea378936cb845f667afb5476f828' 
  AND (
    token = '527COvaZ14pGWoznFPhHZN0boT+gHHvmvXsVa5ZHas0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )