UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'kmr7pfnKusmH9EQe0LMOrHolmXYVevRp5XTd1Ut9p1Y=' 
WHERE 
  key_id = 'e883e3d426d9b52eba1dbe339cf7d27ebe51779a39360dfc304953bb309d2cef' 
  AND (
    token = 'kmr7pfnKusmH9EQe0LMOrHolmXYVevRp5XTd1Ut9p1Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )