UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bs4LP2a0xiGGar4eCVNy3QKcjKBBeentHXMH0LfPoGg=' 
WHERE 
  key_id = '98a49405dde42740fc2aa10250d81497584af7722238f05399f7de603e91ee2d' 
  AND (
    token = 'Bs4LP2a0xiGGar4eCVNy3QKcjKBBeentHXMH0LfPoGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )