UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgN+A23yeSVsWxXOKKFDRMEhHl21GR0PN5+G+myFpRM=' 
WHERE 
  key_id = '6c14da1e08965aba048276b50fc0c709fca79bcd1b3cb0a4863ac08a63b84e04' 
  AND (
    token = 'MgN+A23yeSVsWxXOKKFDRMEhHl21GR0PN5+G+myFpRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )