UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PdD1tQmNmFa+hZWPqFoOcgHLmAbh+bUkhrcOl8MpX80=' 
WHERE 
  key_id = '27ef08e793b0c61c68f6ae03732b82b17b17ddc9c1c3a16a879f87deef04b69e' 
  AND (
    token = 'PdD1tQmNmFa+hZWPqFoOcgHLmAbh+bUkhrcOl8MpX80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )