Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0d657f4a71ec27f0778c438b6559f6c3f2f62b6b969a0e3a597b95d5fea5932d' 
  AND token = 'quyn+G9bAVFa68XBd3O271zT3P9tvP0CTELir0rJYQw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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