Sandbox

SELECT 
  1 
FROM 
  tmall_lock_keys 
WHERE 
  key_id = '58a8459f82919e5bd0d7e79362a267d46e796e7d96f07c6ac30108e868f9f4fb' 
  AND token = 'xAE3iSbVNebyX0p2f/3oXVMLMGp4E5hvNH3RfaNlyx0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00800

JSON explain

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