Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2821240f9662344bf09eef19df77fb8089b8e4dda790fbf68f080fca753cf469' 
  AND token = '6wLygMvglykTax7yl3STWx5INkv7F0COZ0JpErdLE64=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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