UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i8YrnjIuEzopogUWSokwrcROcvpZx5kGraMcVYeH0RM=' 
WHERE 
  key_id = '689eb257a3f94003f8f294a49c86d18b6ab0cee5daf57b1cd7bea8579d3b03f0' 
  AND (
    token = 'i8YrnjIuEzopogUWSokwrcROcvpZx5kGraMcVYeH0RM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )