UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mXSx4CFu8Vft3h3oun+FyMvrWC9JORtTFraorM3yVFs=' 
WHERE 
  key_id = '20121aeb81a9eb8e5404cb00251a6ffca5a6583183188787052b5b98462f47be' 
  AND (
    token = 'mXSx4CFu8Vft3h3oun+FyMvrWC9JORtTFraorM3yVFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )