UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KaZkUQwHWK/UCTHPGJ93SGw6p2P65PvXh7iN4UpqerQ=' 
WHERE 
  key_id = '6dc3aa6f06a52365ca937a8b71c68335e086ff1dca45ee105cb4ebd5606fc902' 
  AND (
    token = 'KaZkUQwHWK/UCTHPGJ93SGw6p2P65PvXh7iN4UpqerQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )