UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KD4y/bcK5FBPUvVaU9jhGvNc/WbOl13ORhWQlsF5D40=' 
WHERE 
  key_id = '119b3640f1506f78ee839c428d421f4867a7d59e9581f6e6a458b5c0fcf7dc40' 
  AND (
    token = 'KD4y/bcK5FBPUvVaU9jhGvNc/WbOl13ORhWQlsF5D40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038