UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '52IV9TpjA0VPi5n8MuCahQBfOiSYSP2xs9rYrjNFqSc=' 
WHERE 
  key_id = '6d5900858a9b267348f55460503bb2cfa2e0688740d35df41e69242991dab0a2' 
  AND (
    token = '52IV9TpjA0VPi5n8MuCahQBfOiSYSP2xs9rYrjNFqSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )