UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KWwdEDWmzfQjI49JQeOhnALiqLiSUr7axyIsU3csKlY=' 
WHERE 
  key_id = '906a9732993ed6dfce71f680164e21c5fbd28981a997836a199bd2c0c3c7de38' 
  AND (
    token = 'KWwdEDWmzfQjI49JQeOhnALiqLiSUr7axyIsU3csKlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )