UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txeN2rzke0JEg9kPpePwCld63mv8ptjYnN5ecwf8TWM=' 
WHERE 
  key_id = '475b44e9de3bef4880124cc527c9385d8be882bfe38fa0bc3cc4634c4092356b' 
  AND (
    token = 'txeN2rzke0JEg9kPpePwCld63mv8ptjYnN5ecwf8TWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )