Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0bb1df72434d07881fdf1335ea94a7e1feddd30c488f7820dec4b4bdbabbeaf0' 
  AND token = '49V5cPDnzH5g8D7dpe4aiz9+ca7Zp2rJGGdtC5977H0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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