UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CEPkkdqUZxPGXGRhrxNJAejN14smdle99xJY87AqqvM=' 
WHERE 
  key_id = '1636841ecf2a818b1a06bc25f7e5c719b7c3d9b60d339dae2866517e4970ea42' 
  AND (
    token = 'CEPkkdqUZxPGXGRhrxNJAejN14smdle99xJY87AqqvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )