UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yWr91klZbTRVLbKgD7RcqB2vkDyZ+A2+nqxVs4eKlho=' 
WHERE 
  key_id = '5a62b220721606bb083cd68de1e556e39c0edda2b17a6e91aca8787bb8b4a668' 
  AND (
    token = 'yWr91klZbTRVLbKgD7RcqB2vkDyZ+A2+nqxVs4eKlho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )