UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'izx4pk+7oC8LkmMWGzD4QjkP/SLhXzeciTwHzTijf38=' 
WHERE 
  key_id = '20725918dd0f1f422dc64625c8280564b380f64e6e98c5de26f9adaf52b79c39' 
  AND (
    token = 'izx4pk+7oC8LkmMWGzD4QjkP/SLhXzeciTwHzTijf38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )