Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a6fb5a39930e22b208824de1ab69af46ee6da205a580d6ca12d0596350f787e' 
  AND token = 'PyZTF/ifVuifFxuXr8x8ynEBeJoCxMoEvaoFtkTXQGY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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