Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '659d7194ae8b1b9eb35eeb1b95cced55e8705c5a052a87c81a793f954ecb6133' 
  AND token = '+qLRYnyXvbSK+vU5wqUgQ7kjIEBLh0fl90EgxqHOWK4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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