Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '644a24f3914f5ef5281e9ee3a5985106a0fd008d5813fe3b805ed92cdc97a4cc' 
  AND token = 'Hjdha0YltAEJa3MOqJhTuovN6kYiVbY/nF1dX9+h0B4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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