UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PRLUx5ie7MfWyfhgsv/iaMRA9dBBzy3UqRCHbaRYPpc=' 
WHERE 
  key_id = 'f7e79a9d46beb464c170d9e4f69408573835c9b52692afecd9bc96afa520f3e8' 
  AND (
    token = 'PRLUx5ie7MfWyfhgsv/iaMRA9dBBzy3UqRCHbaRYPpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )