Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '5c5fe8dddd9fd7a93fc14013f95adab2124a83544c274d4fdc3d6bf38fc4ffb6' 
  AND token = 'BclvvoSByS5+R87hGkutIQH8euOK14KouqLQeAR6BZU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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