UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGzvdFmBbft+Jo7ueS3jader8tW3PldrcqvbTMm9XWY=' 
WHERE 
  key_id = '51e8e0c0561bcffb9790da4d0beb7aa99bca5bb54254d98c3b91e9008644a04c' 
  AND (
    token = 'zGzvdFmBbft+Jo7ueS3jader8tW3PldrcqvbTMm9XWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )