Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '99a89535a55623600d1c2aa4eeb5da965477441d4a1462932856af89d0613cc1' 
  AND token = 'HYTW/nIBGLCTNty2L67GV7xIlvAP+Z0pNEFDMC9lv/M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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