UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VKGgqPbuok+emAwY3Z4N5vHKg9fTm3koeGDjupVNObA=' 
WHERE 
  key_id = '2f493de7f0ae292d1adfbec51a91a81250241bca82343a6fde4d9d4842eef1e6' 
  AND (
    token = 'VKGgqPbuok+emAwY3Z4N5vHKg9fTm3koeGDjupVNObA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )