UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8sHSwLxYPz/4ppvoHA0JCebtmNvYod55xCZMSK/5Rbc=' 
WHERE 
  key_id = '6295420adbec8a8c17798511b0807423541e0033b8aeb76cb2de88d3e9a4baa9' 
  AND (
    token = '8sHSwLxYPz/4ppvoHA0JCebtmNvYod55xCZMSK/5Rbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )