UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0R8Kcm6Z1nhz+SWRnnfC9mKga1UFazPpar98dpz7YVE=' 
WHERE 
  key_id = '51ee3e79cead32569491a5c2f185b92c6a4baf7e5ab78aa5561759533665c01f' 
  AND (
    token = '0R8Kcm6Z1nhz+SWRnnfC9mKga1UFazPpar98dpz7YVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )