Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '929025a69973d4ae17831cec9ab0847b2ba6a08c2d7f3cc0cb835a58d73a0d6e' 
  AND token = 'wPbXjIlFh1eS5iGPMtvaTQ/pzxEiVodUBuTAmkB6/AI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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