UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GvMIvmTZAXYPRNw2DbZYdFnnETZd5wLzvWh1isHV1ak=' 
WHERE 
  key_id = 'e98de8da604b1b576f62414cb7b95f3236e49366895146c727708e8962263733' 
  AND (
    token = 'GvMIvmTZAXYPRNw2DbZYdFnnETZd5wLzvWh1isHV1ak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )