UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2XBGsg4s6PDgBLXEBkJxIDWHA4GhqQZtPwNzW8hB+cY=' 
WHERE 
  key_id = '835a76034ba0862c51d5f19ffec2772f33082a8d3f819518a227ec17b1ff74bc' 
  AND (
    token = '2XBGsg4s6PDgBLXEBkJxIDWHA4GhqQZtPwNzW8hB+cY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )