UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'polO3eMKtzByHS+aV0W4F9oPSZJYZdNz3CckOJkJxx4=' 
WHERE 
  key_id = '7fc9b60bf561ed9bdab743508be686c0bc49556f9b6e0405a8738b6dd1672e56' 
  AND (
    token = 'polO3eMKtzByHS+aV0W4F9oPSZJYZdNz3CckOJkJxx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )