UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PG4O8481/bNGU3R4ey2LOowNzQ9gmw/G3m4aFdt1+xo=' 
WHERE 
  key_id = 'a349b7574430050b75b53f2f0431d8ecac45e81ee588593a5ae2f7bad9668763' 
  AND (
    token = 'PG4O8481/bNGU3R4ey2LOowNzQ9gmw/G3m4aFdt1+xo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )