Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ed476a233112d64c9a9128ff93f700c527b17deaeae6f79da8a42c7a49f5741f' 
  AND token = 'wZQss2Fno9eGegFPQw+yD8/hT/v8o5/LHEdT/Y8VRuE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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