Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72935f6e0228701c0863494119a882be24c518bde3e5fde3e468561fcc9d52fa' 
  AND token = 'IctNAcgukx1/NM9syh0aC4uHeEWVEwz0CtVVRNlNfn0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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