UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kj6JELLvVBp4NyPXjtalQyeh6z5ZyggDwWJuAiTBOdM=' 
WHERE 
  key_id = '783b403b91be016e5e0e386368efa868798f464464aa3f67f6253179134196a5' 
  AND (
    token = 'Kj6JELLvVBp4NyPXjtalQyeh6z5ZyggDwWJuAiTBOdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )