Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '079606b9be7dccf2241ea1ad0b774131e6cc17645d3415b9dc422ae9010e1302' 
  AND token = 'acVVadjOd/Ep/bDg164SPUg5Kpt+gxkW4Jb2D8je4Fs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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