Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '647b18697a370f410c0a76dd8a09abae15a1907a075a1971721ae5be21d8f099' 
  AND token = 'jDnt8mwJ94PH4iJU8x5pUTVYAw0SSOiSVLdo13YAWFk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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