Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ad9a0bc4a9359b4ecf3016e9038c01dc20ff1c1f3c7eec9af9379c33345ae962' 
  AND token = 'xKtEE9EFWGbGKZYSkZWglW/DAFINH6c9vcysAwTZrhI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00103

JSON explain

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