UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4vUMhWYhAzsCJJwVbGHdqWsXDL4w3xUJsx9uiPIVVA=' 
WHERE 
  key_id = 'e6eba260fbbe8528226e2c2fa968850e9262b4df99c801df318e5f552a1b1d6a' 
  AND (
    token = 'Q4vUMhWYhAzsCJJwVbGHdqWsXDL4w3xUJsx9uiPIVVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )