Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2baae862dd5dc67ddc8872d89382a75805ac77748b4ff6ac0a30725cb8447b1e' 
  AND token = 'gwkO688mn97EYL+u9J28FvXPYoE9Fq6ipqYVEMuOyb4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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