Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5f1b2ffdb56e6251502f3d86c0ce82b5c0064606183328a24741dd87e7de7617' 
  AND token = 'W6+VSuP7fwcecnWJnyTUpBeEPrXbDWqm1aUW9cciALk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00057

JSON explain

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