Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '24fb264b89b907344e180954078d7dc40a6431ed097f98803afeb3bee03b4b2e' 
  AND token = 'S2Fz01iIx6hOlmNFz1KM0WyUcnVu6sSaFiqEI8hiIzo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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