Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'f8002db285f13f9af17fdd8bd58c041d284b6632ab11318f49b28ec26768ac16' 
  AND token = 'oCKSiW6ZJgor0q6XL8kEWZKR+sEvtXurHriyPJnDcIU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}