UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '1F30iU7EC4aBzBMD24AyU8dqhEsIQHYXBd4X9ZT9GvI=' 
WHERE 
  key_id = 'a27a0320ea8503cfbcc6aa33338159cc9bc6dd9c3102f0bb1164f5876e6f2397' 
  AND (
    token = '1F30iU7EC4aBzBMD24AyU8dqhEsIQHYXBd4X9ZT9GvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )