Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '25436a8dd9fb2de86ca0c95bf26cbc9576d346f20992f99dba99d738b4ecaae4' 
  AND token = 'Eyocx1RIPnGSHBkWp2V6T1H+EL6H5HkYDODophtPA1M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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