Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22032303026eb72d3b65aa3f98bda36ba223c8722cd304c3be34626bb4f37ed2' 
  AND token = 'lyAYK+GtozzllXj3HS9inaBiLz68KWL5N/Kvs5si6q4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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