UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iw87+qRahTeBsyXMLyWreRlq+bI/Fcrs4nmW0258b9Y=' 
WHERE 
  key_id = '67894d845dab5334ec67c713f0d8b1873b8b33fc38735130496236ab77649046' 
  AND (
    token = 'Iw87+qRahTeBsyXMLyWreRlq+bI/Fcrs4nmW0258b9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )