UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RN47Szp0smJ2Sq7wrJy/snpS7Fagexdn9QJggDwGntE=' 
WHERE 
  key_id = 'b543bfcec69ac6913bba4e350cfbaa094b834e2e7548f149808124394dcdf254' 
  AND (
    token = 'RN47Szp0smJ2Sq7wrJy/snpS7Fagexdn9QJggDwGntE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )