UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k4R15ATDrsRyUP9aJg+wgzLwmZPk8aPxNvkGazmcWe0=' 
WHERE 
  key_id = '6b01f816c2435d8b84dc7c8ffc4bd138cfbab35db928c8132f6fa40c4ecd0abd' 
  AND (
    token = 'k4R15ATDrsRyUP9aJg+wgzLwmZPk8aPxNvkGazmcWe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )