Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9904b80d9227f22f3d0403118c4f7d2bfea69b186069539c1341c1e9b600dad3' 
  AND token = 'y0ypVLWWKPwjrnKIakUtpxrWd/r1eHfVDogjyYndwlU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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