UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Miy3jv2d1Tv+VLJDTSZhab7WH3ATMRPIV/GmUNiw/lM=' 
WHERE 
  key_id = '50e7a6fac7ecf8e728026896dbc9ed970a74e76400e85741f5c1c2d6add993c5' 
  AND (
    token = 'Miy3jv2d1Tv+VLJDTSZhab7WH3ATMRPIV/GmUNiw/lM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )