Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04da1f10c959eca9ac3ee0b427cca76fb4dfdc9165e56a12d35c3fe133f8fcbd' 
  AND token = 'bgNRkvaO1QfKesX7J+rAwgjWA/qThXj2JL8XrUayaYU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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