Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'efe6596f9113f7899af2e24b4e4d311516dc1ff11627dfc135a5cff4b4007113' 
  AND token = 'tUuAI+Na0LgmOFfLxuQYioJWZ9SiYXC0MHfnEOVo2lA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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