Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '07a92bde5e5f8c2d308a670604fdb7c80a07262a07b5f4f475057f694f64db9e' 
  AND token = 'czKcg+xcbmv5s7r14DkocNA4x8WhVek+8NKMBJCtx8s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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