SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e832afd47b233f4cb91a15269f48d038156f19d6169b464afeb7ce08d5552dd8' 
  AND token = 'uJw0f6jL+n1u0J/LFGBaCDKNoDop3zvBp2aXqto7wbA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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