UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lkf3EDkN005dSya9TRdGRjBZhPiLG4/7OmMCB1/+2FU=' 
WHERE 
  key_id = 'a52f605c46e442ad9d3276ea20aeef88695c200956d8d92ef87573ac605a073f' 
  AND (
    token = 'lkf3EDkN005dSya9TRdGRjBZhPiLG4/7OmMCB1/+2FU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )