Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'b08facb16b9857225d6fcfe4d8b3ef9bec8276be415c9c022e4e3b43b5f71ed2' 
  AND token = '2+J328M9Gq+J+A70xI1lEIOZaLavyYCLwZfaKv3xHW4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00009

JSON explain

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