Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c2308c5ad3c33bd6e7563b0911463ede30eb26b670124e81b32c85d1b5f4ff99' 
  AND token = 'K8pZXoYuJpDAyv0NlWRYBYHh1QyyCozejmDzCW1NR8M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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