UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C/ZQaskeLT7VOw1oVtTNG8bHp/EYlRCmwI44eojjuig=' 
WHERE 
  key_id = '18ef7f417730525c2b067f62c3b3168aff60431574da9d615099d3d7d3557428' 
  AND (
    token = 'C/ZQaskeLT7VOw1oVtTNG8bHp/EYlRCmwI44eojjuig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )