Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '00fc52e658f0e1b03fab223b4170114f629fe0a6e555edd73d915e546c63d5a8' 
  AND token = 'rJfNyDlR/PS93Yd2ITqaIwzz0wntT7j7nOjCyOHteXw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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