UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Oe9f+8pOxkZRTIeitUGW0xJiqTOldUtMqussGpx2v/Y=' 
WHERE 
  key_id = '499383ece3c66dff56c3429d38362d7b382875264a2e1d3b5515291668a68099' 
  AND (
    token = 'Oe9f+8pOxkZRTIeitUGW0xJiqTOldUtMqussGpx2v/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )