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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '41ac5b105241cda8c83f1846b399f4a9074b6169ab789cb32698edde9cc062e5' 
  AND token = 'C26MN7rv4STCh3am4xocYq7hUQDPbkLkkIcfrsr6mFs=' 
  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"
    }
  }
}