UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pkujg7W81bPm0ZMoOCsxHo9RBZrkJmvcnxtxUlcnZkw=' 
WHERE 
  key_id = '948c3384fa490f4de0e29b875c52e9d3a4a15c9a9945657174bc8acb586e3971' 
  AND (
    token = 'Pkujg7W81bPm0ZMoOCsxHo9RBZrkJmvcnxtxUlcnZkw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )