Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '130b3420b30e76f9fcb6fb8536591825d9d1f4bd9f1a7dc421d0bc744cab831c' 
  AND token = 'NQZm4bTLyoDAxcbxUfBRE9OlWf3W4KgRiru8yIjViv8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00086

JSON explain

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