Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '01cd8c75e1ae53f80131f9cfb3791e2cbdb74444c51c411d85e8b21c455d57f0' 
  AND token = 'ihMWvH4IM3YKNhg6b4J1JrNQ6+85mPHvhMPOFL9F8HM=' 
  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"
    }
  }
}