UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NeMHpjuVTD2BDoiCZuiG3icLvyPR+5hRz1qcz8YMEVk=' 
WHERE 
  key_id = '53621a52e0cf36adfe5be165e755026bde06eb884b7c6748187869415be17246' 
  AND (
    token = 'NeMHpjuVTD2BDoiCZuiG3icLvyPR+5hRz1qcz8YMEVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )