UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm0sSkM3E3886ukefvO6Jhd3hw+9FvMZhof/0BEpCTeo=' 
WHERE 
  key_id = '83be6d46844a3a5872c87971230620c8672406d0edf565358e693f2652f41ea8' 
  AND (
    token = 'm0sSkM3E3886ukefvO6Jhd3hw+9FvMZhof/0BEpCTeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )