UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zO3/gkkKUqD6mCpl50CQrsvBiOn6DFuXisGnx3euGnA=' 
WHERE 
  key_id = '4bc81953463d018b38ed3702ecea001a5e189cb8033cfd705eec2eeebdcad3a1' 
  AND (
    token = 'zO3/gkkKUqD6mCpl50CQrsvBiOn6DFuXisGnx3euGnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )