UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8zG3UgNE4XIm8XSpPFvX9G0hKnsJu3T9iokmEHTqSDA=' 
WHERE 
  key_id = 'c6fc76c9238065cc211f65291d9cfd4babc0f817fb10d79aca482716dc829ab3' 
  AND (
    token = '8zG3UgNE4XIm8XSpPFvX9G0hKnsJu3T9iokmEHTqSDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )