UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKLrckXKZ+lpzPXW980UNe4h+lwNiCaJHLVZwVP1Xkk=' 
WHERE 
  key_id = '15ef6ce11e6b98c24b49c4992c680be6ff8bf214a5c6c892161cf453397f051d' 
  AND (
    token = 'RKLrckXKZ+lpzPXW980UNe4h+lwNiCaJHLVZwVP1Xkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )