UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ueKzS83rLCcad9MVbVlWu2NW6yv22KwvBPR3dLE7drA=' 
WHERE 
  key_id = '81ce16439d8e56967f47000d04edb3665cc3633a4f5626b176cb5a35afeb329a' 
  AND (
    token = 'ueKzS83rLCcad9MVbVlWu2NW6yv22KwvBPR3dLE7drA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )