'Unless' in the Bible

In the evening she went, and in the morning she returned to a separate part of the harem, to the authority of Shaashgaz the king's eunuch who was overseeing the concubines. She would not go back to the king unless the king was pleased with her and she was requested by name.

"All the servants of the king and the people of the king's provinces know that there is only one law applicable to any man or woman who comes uninvited to the king in the inner court -- that person will be put to death, unless the king extends to him the gold scepter, permitting him to be spared. Now I have not been invited to come to the king for some thirty days!"