Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '1329cec1161324fe098b5cb394f4d18772f01c70801819fc22f2757ef0c8c45d' 
  AND token = 'EK698oCti77hKgVKAUy9hJDOCzAIFBkjeNR2ohjLH8Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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