Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f39545cecf9761953c9493d9c86216bf951ba237862593c32ff94c848d0c87e5' 
  AND token = 'px1A14Zvq9WVCDpf+zch9hw5nHLM6D5Q4eWWgbrJ1fk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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