UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GHUh2N7PchMYZMbtUdIj3F1I0YIQZWAp4ImVWTo+iWg=' 
WHERE 
  key_id = '344468501908a56d03015ea3841eb397c8026f2e2972d8aece607ad7f9d4b68f' 
  AND (
    token = 'GHUh2N7PchMYZMbtUdIj3F1I0YIQZWAp4ImVWTo+iWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023