Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '44d008e3d3a803bafb0f490135ac793e3a6de4dfa4c120746a654ab052b3ef74' 
  AND token = 'ZNfbvlhCOTcq87/oj74bQJeLeuUTcZIGjyVsrUkn5jk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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