Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9691c127b3102a8fd363c74c472dc06e9de89f8f05b73df805c5d90766c97b36' 
  AND token = 'HF+Aa83OqFPQWyO1x+Jr97YxG5bpPxa6TeWehDf6amo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00098

JSON explain

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