UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tljLeAvOWquVFNh3DICvNrLHheWSXlWfaCqFwqOkosY=' 
WHERE 
  key_id = '535733fa848b9b0ea4247ebcee218f083db96f0114170112c1b7c839d9020211' 
  AND (
    token = 'tljLeAvOWquVFNh3DICvNrLHheWSXlWfaCqFwqOkosY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )