UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I5C0GQH0UQcD5xc4+wWbw1wHVhvhLUiMxlTAQbO7Sxg=' 
WHERE 
  key_id = '84e27ff54b433b51460cf3f9a413a6eb1aa4b75c4ae98f00599fcf7e59c0fe83' 
  AND (
    token = 'I5C0GQH0UQcD5xc4+wWbw1wHVhvhLUiMxlTAQbO7Sxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )