UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gZPhMNNluiROUtX3tcwFzkJLQDYyFEkcvPtsXUXQwaQ=' 
WHERE 
  key_id = '50a2b1552b6eff0d9e3650d25855541940fd94291a7aae046e2f4c19ab931c35' 
  AND (
    token = 'gZPhMNNluiROUtX3tcwFzkJLQDYyFEkcvPtsXUXQwaQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )