UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ewv0JQo4TS4FNhvIg2s6JgLNqQV0gdpPdsXhywZbdw=' 
WHERE 
  key_id = '2f6c40a82ba7895951e2808f97950ea99d291ed4ce1bc31e98871c7c329f44c1' 
  AND (
    token = '4ewv0JQo4TS4FNhvIg2s6JgLNqQV0gdpPdsXhywZbdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )