UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '161c8/tcCGBjkU+mubgG3vxsdLTBSty2E8uVEKvQ4yQ=' 
WHERE 
  key_id = '235449ad1bc9d3fba547383c06a2c4f82b7e4a639c343ea6828fc53b59cc58e4' 
  AND (
    token = '161c8/tcCGBjkU+mubgG3vxsdLTBSty2E8uVEKvQ4yQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )