UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UksjiN8kkCojr6tdhxVielN8dSBSt3KTr3zL4VwtRF0=' 
WHERE 
  key_id = '9a11c41c03360f883b3a3a35b488146ace90ed0b05ac0d9f91a60705bce119d9' 
  AND (
    token = 'UksjiN8kkCojr6tdhxVielN8dSBSt3KTr3zL4VwtRF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )