UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlSOZP5R9+Fg0UX9RB45qa2dKfj68Hmj8GelVrA608k=' 
WHERE 
  key_id = 'eb181fc8246bc698da04be236f9f6ac800e067a80a03058481ea2af2b68abb89' 
  AND (
    token = 'RlSOZP5R9+Fg0UX9RB45qa2dKfj68Hmj8GelVrA608k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )