Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '3ce4edd493e3f3f7edf13fc23e20c86057e387d2ed4c4dc84281597eebad179e' 
  AND token = 'zk4yRz2m+xF/3SvGI41ahenKNYzNsxggPTn67Lyh8zo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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