UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+KDc2q4x6pq/Vk2SPgM+NLh2+t5XhIfY8F/FA3TPf8g=' 
WHERE 
  key_id = '257496a01cf60656cc1024e506fcc2ce3af1ae8cd3374c98dd1a7bafe3ff897d' 
  AND (
    token = '+KDc2q4x6pq/Vk2SPgM+NLh2+t5XhIfY8F/FA3TPf8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046