Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e06fd2c370db9ef711083d43d1ae617c3a8940305b873a1b3a9f1160acc64997' 
  AND token = '63TjkOnASg7xcJQXBa/3rPFhmROdkZr29XwjQECq6zw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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