UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/5E9NpsyKNIkgrFbOFGiSkEsa9GAiqMidT8X1gP/FjQ=' 
WHERE 
  key_id = '6cfb49298a11c840dc9bfd7bad0838844441f51a8f0b4c86eacc2d54b54979f3' 
  AND (
    token = '/5E9NpsyKNIkgrFbOFGiSkEsa9GAiqMidT8X1gP/FjQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )