UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gJbe4uQcQXCkiMmBkJEmCWtdVz3YFGR4vW3ndLEyjAE=' 
WHERE 
  key_id = '6a545988c1296519c7f21be37d2a889944a2522d7029155b378c99dca8d925f4' 
  AND (
    token = 'gJbe4uQcQXCkiMmBkJEmCWtdVz3YFGR4vW3ndLEyjAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )