UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5mIUVqVZ900l4G5bVAbZ3hpdx7HBTRi8I4KMatXhiUQ=' 
WHERE 
  key_id = '6cebea931dbe95772eb909e1ef0895d8f566df26369c2889bcad277b68273e1f' 
  AND (
    token = '5mIUVqVZ900l4G5bVAbZ3hpdx7HBTRi8I4KMatXhiUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )