Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8bbfc37d60114ea5c33f0843693aad1f53a728be69335642afff3546ed0dace2' 
  AND token = '9qSbMNS9Lx26AbU6jLnOPXASrZaBM+MuR67hRJyh/vs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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