UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mlu3CQfqvaC3mwRbvg5ErnsgW+T2X5UIMa5YI/h+XVE=' 
WHERE 
  key_id = '933c353e989b8562c91de788485aa700282c4053a2029fb757ce86490f2e1d6e' 
  AND (
    token = 'Mlu3CQfqvaC3mwRbvg5ErnsgW+T2X5UIMa5YI/h+XVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )