Corrupted Trinary Data Vault

Little meaningful data can be extracted from this Corrupted Trinary Data Vault but the following decryption key appears to unlock a partial video capture file:
jqpcrekqruobmrbkueyfkfunnkpztcteypwueczzrquyoddcnzbubztuhqgfdhivmjqxfycgokvbbyenkwohiicsodrkmeupmvegzjvgaaewsfvwwvzuv