UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bq7DYHKynB6RuzQoyeB2LtDwZk7AyZlYmwO9lXITu8g=' 
WHERE 
  key_id = '551cddd4844c079bb581475dad24a69406eeead8343fa929e39feee9b42db6da' 
  AND (
    token = 'bq7DYHKynB6RuzQoyeB2LtDwZk7AyZlYmwO9lXITu8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )