Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6c29c8fdd35d005e91f6afe6eca737b48539ffc878568d91fd132a8b8ceed000' 
  AND token = '1K/JMKIREVIvvyBgQUY/y2SMMSKpzCI5Rt0v/ecnzb8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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