UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bmur2QfmENkkMRhzGE7wbguv6BsHN/EI28xzEewgd+A=' 
WHERE 
  key_id = '83406abcac70db7371a64cd70a741aca28f4cd8610783d79799cd7143fc4276f' 
  AND (
    token = 'bmur2QfmENkkMRhzGE7wbguv6BsHN/EI28xzEewgd+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )