Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '071fed4a78e6f6fe3dbc51cb080897cc7fc9125f82d9d57164bf69aea5d2b022' 
  AND token = '6o7TIEvEEhc1yqSy/N2oRS4a3FePz0LE2CBHaCLptm8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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