UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bxNotSoNzTafy+pMoptM124H7NcEJL75jy41DgBz2qc=' 
WHERE 
  key_id = '53668d9519a4c13b3c2b570f8f76a3f521b47af9188787022951e7baa982bd49' 
  AND (
    token = 'bxNotSoNzTafy+pMoptM124H7NcEJL75jy41DgBz2qc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )