Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '168bde7f5d7bebc316f0c7731d15606cff117c977f1b0f1a2096f0a23f28d9ed' 
  AND token = 'dY+mzqHBrBLNY7tVjPsKcqmWvF9CQLfyplnFpOuPXrY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00113

JSON explain

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