UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4dzOeKSSq9Z/xSz1mEz5GYjuQWUFW2zmLDBIy8WJ2hk=' 
WHERE 
  key_id = 'fbe38cecb7ebf0d9253880f62f55dde3f81dd5fc3de2a30f7b559955fd3c7d0a' 
  AND (
    token = '4dzOeKSSq9Z/xSz1mEz5GYjuQWUFW2zmLDBIy8WJ2hk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )