Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '36d0165c70fb68a37b488e3083887185328222904d5f46d3c7b6b44070b09f6b' 
  AND token = 'vUrivQ8G4DgTjlduOc6qeOb6xkAmMK+L7kO7Ueyv6Wk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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