UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZdOok3z+v4PWlX9lkML4gG+/qwBgdgbCU3ZEp3zP4A=' 
WHERE 
  key_id = '5e0820210d43f4e44ce3e8505da12efd6a9c6cefec892cadc4e0daeba2171413' 
  AND (
    token = 'RZdOok3z+v4PWlX9lkML4gG+/qwBgdgbCU3ZEp3zP4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )