Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '8771330dfbdc4bf676d6513e92fcc96afec864235e515aa8c89db050e44ce158' 
  AND token = 'KLI4a6+EaDb+kegyYLK5vBftLgf6fQ3/m586pyMJecM=' 
  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"
    }
  }
}