UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mWeOI1raqxFqXxpxvf2PfmHw/c5yzLdxvEMfTITtCF8=' 
WHERE 
  key_id = '6883f520b9832a1b4f38b72b09029a7101d99382380a6f2d8bd2a42e03d2922f' 
  AND (
    token = 'mWeOI1raqxFqXxpxvf2PfmHw/c5yzLdxvEMfTITtCF8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )