UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrMFzsHYHaWjv94nIdkD8YbrUwwOFVNlcTBNSEB+KrQ=' 
WHERE 
  key_id = 'a1b2f3df49e2e50ae630485bb8b7507f21f33b2e2076b3824a8d7b53b43141f8' 
  AND (
    token = 'PrMFzsHYHaWjv94nIdkD8YbrUwwOFVNlcTBNSEB+KrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )