UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDBwrU3Uw+ImI5umJkqXY7sMkMlBFetOWmqf33yKLTw=' 
WHERE 
  key_id = '4686f5f59b81340eca0f7695729305690b8dad2e01784572b6800a275aff7559' 
  AND (
    token = 'PDBwrU3Uw+ImI5umJkqXY7sMkMlBFetOWmqf33yKLTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )