Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f9717e559c6433e348e3f3b84e6448f30c04819dd5a610e4203a91a5b92069e8' 
  AND token = 'ptVU2j1U85aMwbXJxoWxw9ASnKQUxrULitcM4Af3nfg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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