Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6772f533bf109125d3032aaee64a52655f27f245dc47e116b85c7c01ab5a359b' 
  AND token = 'Ck4dnYpb0oAILbdO/Gq2RSYEFhJurhuVg9QfyD4B4+I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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