Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05e29272c655e7081256bbf44d1f9297938aa7cd5fda7eee8b69f12cfb701808' 
  AND token = 'oYnnoSg/yKnop1GnqoTGKJJ+1/wrye94T+Zg9f3g/Hg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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