UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHV5eVlXOu5bij70MET3fo5z9H/PmHm8NPi2HEgON5I=' 
WHERE 
  key_id = '45d9b2d4dde68e5925a5cce86d9191c5e81cf440b697f7594d3342c240a830d8' 
  AND (
    token = 'MHV5eVlXOu5bij70MET3fo5z9H/PmHm8NPi2HEgON5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )