UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5VPrHRWVlmflMJuMp8qnG0X3uQcWJRzwn9vgA8hYpPY=' 
WHERE 
  key_id = 'b844bf53a43521d4fd594e984370baf98e0d16e12e0ba7d026f0daf18a235868' 
  AND (
    token = '5VPrHRWVlmflMJuMp8qnG0X3uQcWJRzwn9vgA8hYpPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )