Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '06064d9c558b860ed10bf0b91c750aba0e13ba0024baac2413534495a8b9e045' 
  AND token = 'Zm4+Byn9sdXSuV3Zg9DXRLmLiH/QZTHrXcJXCjIjJEA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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