UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zmRl4oq6WquxhGUhzqu3OIk4SPJlCnXEbMyptOg3QsE=' 
WHERE 
  key_id = '84ed71c530737b0d4a1427889bd91f4de28d099b18f2405b99fedaa3dd46752e' 
  AND (
    token = 'zmRl4oq6WquxhGUhzqu3OIk4SPJlCnXEbMyptOg3QsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )