UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTXmdhhERQ6zAzct0h2aBUnGGJsqJyLq+dNiNGR6bgw=' 
WHERE 
  key_id = 'a3c864884093bf2b937f9980dc87a7a9b6011ee32f29afae635a8c39f2d3a960' 
  AND (
    token = 'MTXmdhhERQ6zAzct0h2aBUnGGJsqJyLq+dNiNGR6bgw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )