Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '044408a48527b884424473d714933a2685e5d4733d2245a93a7455fa6d24caf2' 
  AND token = 'Bjv4PZ7dbdQI1h1lJozU0weLLB6t7e0m59Zx8a5Dewg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00056

JSON explain

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