Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '88aa860aafb3a4ff526226aa26f18a7eb6be73cc441d5b5133e700c21a634234' 
  AND token = 'v141mTK03M7VeEOTHmUHgFILecYsMWei3tQeovnV+gg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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