UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IKpnvyhwJUrDryEP4A9wh/TrJA8nLgKN72Ja2/wWQec=' 
WHERE 
  key_id = 'a534f592722702a4c796af693fb4bb742ceb3fcf299765abd863aede3af02409' 
  AND (
    token = 'IKpnvyhwJUrDryEP4A9wh/TrJA8nLgKN72Ja2/wWQec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )