I heard the Messenger of Allah ﷺ say, "No prayer should be performed when food has been served, nor when one is restraining the two impurities."
حدثنا يحيى عن أبي حزرة قال حدثني عبد الله بن محمد قال
سمعت رسول الله ﷺ يقول لا يصلى بحضرة الطعام ولا وهو يدافعه الأخبثان
Its isnad is sahih. Abu Hazrah is Yaqub bin Mujahid, and he is trustworthy, his hadith appears in Muslim. Abdullah bin Muhammad is Ibn Abu Bakr Siddiq, trustworthy, his hadith appears in Sahihayn.The hadith was narrated by Muslim, 1/393, no. 560, in the chapter on mosques, and by Abu Dawud, 1/22, no. 89, in the chapter on purification.