api_key = "API_KEY" # from https://dash.bunny.net/stream/128158/security
video_id = 'VIDEO_ID'
timestamp = 1.hour.from_now.to_i
token = OpenSSL::Digest::SHA256.hexdigest("#{api_key}#{video_id}#{timestamp}")

# URL
# https://iframe.mediadelivery.net/embed/[Video_Library_ID]/[VIDEO_ID]?token=[TOKEN]&expires=[timestamp]