Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4332151b0d0eed51ac50fb9b5b50f26b43ab249d7c510e32a2d917e6d4fb7f2f' 
  AND token = 'wNTm42ChGcica0UJfnHFcr5+8D7tzW+LrT7sVREcsjE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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