UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tYyd78LSBIQT3u1PoqzWniGzljijIEIYzSpSX/prpuw=' 
WHERE 
  key_id = '5475f479efdf1a91562fbdf471006930c861322e7d2ecbd041e70b42fad22882' 
  AND (
    token = 'tYyd78LSBIQT3u1PoqzWniGzljijIEIYzSpSX/prpuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )