UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hkp5lIs0mpHie5RLBYneUrAUWqumD1NrC7WzStX7+O0=' 
WHERE 
  key_id = '9591336e69ef40d16623d5ea27768c3f883b9e39452036037de0bf26e92d033b' 
  AND (
    token = 'Hkp5lIs0mpHie5RLBYneUrAUWqumD1NrC7WzStX7+O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )