UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5MJwhwlufvxwQHd6cdyNxOpv+J80mLnjoXLoAaRny0o=' 
WHERE 
  key_id = '6dbe271ab75515dabeab91c71cf377efb92c401080715090b300ff5e320e7f55' 
  AND (
    token = '5MJwhwlufvxwQHd6cdyNxOpv+J80mLnjoXLoAaRny0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )