UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yMj42DNVTCIOfQ7vsCV+WkIAXgi7KKjK1JlEpFAUEo=' 
WHERE 
  key_id = 'bb946d44b8177dc5e29e061502e5707159a9362b7b999d463a7c4da67d5ea616' 
  AND (
    token = '6yMj42DNVTCIOfQ7vsCV+WkIAXgi7KKjK1JlEpFAUEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )