UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tBKTZE9GYmfgjcs4dA7LrX88XgARuUmwqgtULLVXbHU=' 
WHERE 
  key_id = '6d68aa0869252d6e4846b6a7a779a7b6438ec21ba301411370e1f784a5cfce90' 
  AND (
    token = 'tBKTZE9GYmfgjcs4dA7LrX88XgARuUmwqgtULLVXbHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )