Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '65ec455ecc46c6040af3ff5962641e5bf428e085b3949a4158a9d689063572c1' 
  AND token = 'FCAT9M6hcMGqDtF6pSMnA9Lvta69gEND3XFSSYLVeDM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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