UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3ElgME6nNjE2g05jWF9TJJVfaZgPPCrYNaKhbzNzL8=' 
WHERE 
  key_id = 'a91ed5e2a89edd7d5ab079fcc92aaa6b418770cca1b43041ec8d6773892c8583' 
  AND (
    token = 'a3ElgME6nNjE2g05jWF9TJJVfaZgPPCrYNaKhbzNzL8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )