Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '05369125db66c15ce12369e3d2606bd96a37ec909cf056426c2a1c48a8718e2f' 
  AND token = 'k1A21HcaSwdUSt1fr4U9OqKJAo6ZRKsyNEisE5xzdN8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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