Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '238de13429d6fad24183eba88a70803ee6bf063bb1e3e65e880d59d59fe77aef' 
  AND token = 'dVYJjo1+K6umH5xURhddN5MwxJ/4rSgO3G5YdmnJW5g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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