UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6DRNxa8Uw7kvpY6imQi0gYlGu5Yf9U/2MZKptVMomaw=' 
WHERE 
  key_id = '7e6cef83ba75b3cc2a0560efc6130c330e46470d92c24e55b641a238ecddf3f2' 
  AND (
    token = '6DRNxa8Uw7kvpY6imQi0gYlGu5Yf9U/2MZKptVMomaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )