Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '450bcb8f1168094ef1b85bcdb25e98d5a1f5b1b75aa4c4625c64ce43aaedb717' 
  AND token = 'Xclv1ak6+o/B9WlFD4Z/y9e+bhsQdo0klauDbyyX3ys=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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