Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd92fa805a3a4092918640c78ffb4d7df353e3533760b9237a8b1fbe54e2bfef4' 
  AND token = 'wrJPLn976d80Zl5qu7VoAPVH+8xOrpK3ywGW5T1yVXE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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