Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f7b4adb9f1739a75a37fbe542119d0fb558af212df8b408d51b1aa1da0ab335b' 
  AND token = 'ZgLekk0njhUQp8n8tuskTd7Hd2Fc6huQasQV6ljjXQw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}