Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'faad1fcabf136fc2362272f064b5737f12fa0c73ef4ae57cde4e23080bf27fb9' 
  AND token = 'jYr6ftppkAiRaB2DpSoK0wdHPOltm/2Fr5KbI80cLOc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00065

JSON explain

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