Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd089c98f40191f1b11347b09241cc7fe1e2800914465bc11c61fdf72069333a2' 
  AND token = 'x1AW9t+V/GoSVI13Wjlg6co34n5XX8B1DJ4VVNAziNw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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