Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13ee03d19ed94366be12833e09e4f838202b2d90841a586d9e6133591d0a479b' 
  AND token = 's4iFG9d4kBmoNHQCCZb56XK8Lr+/lnSx+Mfq0vkD8W0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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