Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '57785b30a3769461e42e1b9c60cb2cd4e99f69b643bce2604c8a33267c2835e3' 
  AND token = 'xsDaXCRARckk6v8nGHIPYmWbNdqmDeOSudYjn/yh95I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00064

JSON explain

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