UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gMyeaFWUUcXYzyMTVMSKWjDgsQUg/2m2zoWYlA6ZMHw=' 
WHERE 
  key_id = '49836cf8a3cf74060934515421cdc00f8c806a2efbaed223afe589e0c9238a14' 
  AND (
    token = 'gMyeaFWUUcXYzyMTVMSKWjDgsQUg/2m2zoWYlA6ZMHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )