Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '6f5ae52444975444810bfb609feb6dc90ac642b6ba93fba28bdb879a55b62631' 
  AND token = 'FERlsx7YKFcV/xD0TwCHNRrOlnjJWs4oIiKmkDuAT2Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00112

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}