Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd0032edb86ee0c5044aa3e0d84de58a94949f3884ca5824c12a56933620ea99e' 
  AND token = 'Y2WoWO+dL6d5yGenL+QGCepv7qB+RB6C54Ai6ys8tjM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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