curl -X PUT 'https://api.example.com/api-keys/apk_001' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "name": "CI Pipeline (Updated)",
    "expiresAt": "2026-01-15T10:30:00Z"
  }'

{
  "id": "apk_001",
  "name": "CI Pipeline (Updated)",
  "expiresAt": "2026-01-15T10:30:00Z",
  "status": "active",
  "updatedAt": "2024-01-16T10:30:00Z"
}