UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hQu7gTJVM+ew4UtU+1C2KQCwZDzsRPtePJXBFrHacXg=' 
WHERE 
  key_id = '8b20867d1427e91527a2bd1d37e398e88d03a311798d733b9c204fe94a969844' 
  AND (
    token = 'hQu7gTJVM+ew4UtU+1C2KQCwZDzsRPtePJXBFrHacXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )