SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'd22bfa223ae2a52f809cdc0648c377411454dee57600e30773597a6f7b6497ee' 
  AND token = 'NMmFL8sG96OHaLZVaiNfjdfTUzbA9Z09z2dkXCyOuV4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

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