UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Jx/BfqkBhPl4p2OvpdtzjWLUV2guiHqA2GxzA+s4ETA=' 
WHERE 
  key_id = '50ef1a78639fc30c24b65029ae719a9faa60b21118a38f60c293b25e5db4d169' 
  AND (
    token = 'Jx/BfqkBhPl4p2OvpdtzjWLUV2guiHqA2GxzA+s4ETA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )