UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6emg8V8ZObFZKPsHXg4rbuofgfbEeihwtaemukkowR8=' 
WHERE 
  key_id = '879d86612be77a7eb15e85f332f404375e8482ac763337c40f07478fb9e9946a' 
  AND (
    token = '6emg8V8ZObFZKPsHXg4rbuofgfbEeihwtaemukkowR8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )