UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VynzQNH/CjvqG2y1QYbOV8S3BPk4s9JpoAKQs4dYXSQ=' 
WHERE 
  key_id = '3f4af1e3df12e79772a603b5e7defb6dec50df6256f538923aef56502df66d43' 
  AND (
    token = 'VynzQNH/CjvqG2y1QYbOV8S3BPk4s9JpoAKQs4dYXSQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )