Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'aa1ff28963608235de300f1109d5d46e6ad94786665426db293530a74df05430' 
  AND token = 'MnSIjUAYuSorSBXbOhSZvAx1qoBASzuO8S8U4Pqjv9E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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