UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emNZjHQ8m72GRU2Y+VImJEzjSWN8vOCai74DSnolSyg=' 
WHERE 
  key_id = 'e7dae872b390f1310cffeef584b5ade642014c6105fee10c261539c656954e73' 
  AND (
    token = 'emNZjHQ8m72GRU2Y+VImJEzjSWN8vOCai74DSnolSyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )