UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QShSHwElCR1rFVHu5O1LpGWVroio6SlapRHIGj5GyXg=' 
WHERE 
  key_id = '918d8ae828c30bdbc57930c375ebe182a0d035834e41e9b0650505704a778481' 
  AND (
    token = 'QShSHwElCR1rFVHu5O1LpGWVroio6SlapRHIGj5GyXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )