UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rPx9Utax7eC+9QToHLTbu7txd/HJzCVWCEX9QKLubm0=' 
WHERE 
  key_id = '7b76f430984b42dd0f5fc35063a50a588577c32f27ac34861931a87179f12e34' 
  AND (
    token = 'rPx9Utax7eC+9QToHLTbu7txd/HJzCVWCEX9QKLubm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )