UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AU5lLK3reMPSfcPGISb3j7Y6Usg0MimzMGCkx2P/Z58=' 
WHERE 
  key_id = '6f1218ca2e2e2cd734b58d682446e6d85f6f865bd704d2800e25b4cbc7493e36' 
  AND (
    token = 'AU5lLK3reMPSfcPGISb3j7Y6Usg0MimzMGCkx2P/Z58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )