UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y09zUIfBtCylvIfab+rHggfUY6lF9mv8HdufcPtdxqA=' 
WHERE 
  key_id = '0ede4e15670d559bec9fbc9d74897ee33f48135a04fb3ce747ad845d5334e94d' 
  AND (
    token = 'y09zUIfBtCylvIfab+rHggfUY6lF9mv8HdufcPtdxqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )