Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8d985cf3142863821ad85b030ac876be7e040b03913e2c9f8435f2ddda34f172' 
  AND token = 'j/22jvzLrhn7Y3H9ojYpBkAXQayAxdgQLPq7nfI2roM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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