Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7d5829280ad1683c4617eb8d9433b56ec77b06cacf36ef3073c9028d8a416015' 
  AND token = 'RwoSIDnCtvNRbYn3v52SW1U9kJuIseSKxC8EW2Q0b3E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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