Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '95e9adbeb83abd881471fe126b1694a5b95418c2fcd139462e0e677e8311dcdc' 
  AND token = 'Fj+3EsG+dSXVMUWqsLi98Zihr4yW1GJOY+o56Gnhk4w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}