UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zb7eYEjN9RFgELDp2Y4C9iyPiIfxiEhiQZHeL5SClzU=' 
WHERE 
  key_id = '2c38bef8272d3a091cbd1a93387ead4e1fb11fc769517a0eb4013a9c6dd04914' 
  AND (
    token = 'Zb7eYEjN9RFgELDp2Y4C9iyPiIfxiEhiQZHeL5SClzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037