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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05eb2bd0522a6cd2c1468ce4af3f30f48eee5170de45f4c3c077c39fc100f7bb' 
  AND token = 'Z0/WpSbhn4WD8wc8xzz+AO5OEZFP4klojdJ1b1RxD9s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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