UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MnOtDdBO+7PV0GB0fxJbY8eK8j7MuovLmwb96Js1fHc=' 
WHERE 
  key_id = '6a9f8d6604b0e5b4b6404f6292a5b5d521434219c4c779e1ba43bdcc9a7c55af' 
  AND (
    token = 'MnOtDdBO+7PV0GB0fxJbY8eK8j7MuovLmwb96Js1fHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )