UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wz6dQ16aIGJVLYi7XpCoNQzBmahnBKju6NtbS7loSuU=' 
WHERE 
  key_id = 'c6707494fa66f342f2d5dd67f9d7cae26a23b339523a751436275325b5a67617' 
  AND (
    token = 'wz6dQ16aIGJVLYi7XpCoNQzBmahnBKju6NtbS7loSuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )