UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WD6orGHb8k9A3HWiX/d8aMsYBblc/Eu686VTUVWtobU=' 
WHERE 
  key_id = '6c181050b87d968772e77cffed82d84edecb2f946a558973ab5647ed59c4e8bb' 
  AND (
    token = 'WD6orGHb8k9A3HWiX/d8aMsYBblc/Eu686VTUVWtobU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )