UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gN5swMZaVCiBKi60majDDlbCucaecpX91WPTKhfolro=' 
WHERE 
  key_id = '91e225f0563fb5616b579444e0a67e18a867dfa303e8d78b2615d4adb7657e78' 
  AND (
    token = 'gN5swMZaVCiBKi60majDDlbCucaecpX91WPTKhfolro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )