Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'cb689f345184446892c8414438a6401efe3b6ad89e4c9043c67ef7f838fa0591' 
  AND token = 'A1UxD5FjpeQcAZNMIwPUCR4gmDzPNHO1gEVbwdsq43A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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