Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '06d88d10ab81f08065d3641e9c4e2279163d058c4acb4ade96fbc4a21c569b76' 
  AND token = '/9PPpxPlUlPbutJEily8nQ6bAcKb60DmnZRYl9xrXBg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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