Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '96593a3530df54db8041b617ce4bde92d68c016e5fcc70c8855ffe500247a695' 
  AND token = 'VR+aHCzzM7JIEqf6H8HI93idkKT72Pi1y03lMdQ8N24=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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