Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'cbba733d6057b3ab4e606568a1b0561c11cc13ca5cc8465ea97dae4617129aee' 
  AND token = 'lnU41WMcCa3RG/6M4+Yf118ZTrSeZvWIgzxYrQXQ784=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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