SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'f1dbdeec269a1b208979f3c3d9420fba379de227f001e057f5bacbf74bb9d607' 
  AND token = 'o7QLCdENnmrVt/j92K4BXY4Dd5+5WVSLo8zPHh4ZyBI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00011

JSON explain

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