Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'dcc2f5325660a7dd80ed9c5adf9bb48eaf43d208485b982016f49bf996ffe526' 
  AND token = '56z5w7rh18Ke9VNqi4o/zOo0f0AVF+kYF/qaQ/v6bpo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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