Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '49777b229afe8a86f96d80371f3b2bc6dd832bb28ac28199b852d7cf03024d07' 
  AND token = 'ypbZPTSW1+ahuSy5076YjPgdj7C3Ajhd/9EUrPC30zM=' 
  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"
    }
  }
}