Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09222608a6b80f7185fa7830c48c9f9cf55801e8dd2c49117bca84fe4f5b2360' 
  AND token = '2eIByRRmPXTuLxF6S2RtwzFeA8l+LYeLT5xuAVOna+c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

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