Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '63ab9dc20f82007e134529638294b7e52b3d92c15bad5e00469aaddf8108c729' 
  AND token = 'j8gW5ZJ6I7m1eUrG1nMBLy4Q8QvtXLKE9wm4njBArh8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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