SELECT COALESCE(Language, '')
FROM {table_name}
WHERE UPPER(ConversationCode) = UPPER('{conversation_code}')
AND UPPER(Package) = UPPER('{package}')
AND SenderId = '{sender_id}'
LIMIT 1
UPDATE {table_name}
SET Language = '{language}'
WHERE UPPER(ConversationCode) = UPPER('{conversation_code}')
AND UPPER(Package) = UPPER('{package}')
AND SenderId = '{sender_id}'