UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yRv0OT4U+fiwnELEeBKiqqgPiZASZdZVPFM67iHT0A=' 
WHERE 
  key_id = '493059c35f92ee20921465f7af7f59bf547e953944b17760a7178bccd5a75b99' 
  AND (
    token = '6yRv0OT4U+fiwnELEeBKiqqgPiZASZdZVPFM67iHT0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )