UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'qQbxXRchsNx9ow8iswZZTem4lJmFNfNngMA5iiNj2+s=' 
WHERE 
  key_id = 'a1621ee6386d0653513ba1248ea5c255c508239c56f7d9be3bac81729d28003d' 
  AND (
    token = 'qQbxXRchsNx9ow8iswZZTem4lJmFNfNngMA5iiNj2+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )