Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07aa8e9eab8d90b06daf79c3034b6330817a768d2922d12c6e3a8dbcea23cf4d' 
  AND token = 'Vpfu7v0JG2Heim9kwHsYASlEESP3XKNEZ7QEvSU6UFM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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