Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bb2e64a43a8742800f785a65511bc6095a6eee8fb45b3a554db251b92ada6205' 
  AND token = '/F4G6eCHhRS/8qIuqNzmhCndP9l5O07dWSwM113Tk4Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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