UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qK2Z1M/Bbud5wVCo3A9i09UdAZNCmuFnSlYKHebnUow=' 
WHERE 
  key_id = '91794209bf034aac7d5d20de93ab626c9351c37cfc92f7fb95c490b8e0ac3f3c' 
  AND (
    token = 'qK2Z1M/Bbud5wVCo3A9i09UdAZNCmuFnSlYKHebnUow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )