UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dk5Y9mzRpIcJFdjSmdGc63HW9NWyTbf1/eYCoRasSxM=' 
WHERE 
  key_id = '794a50244a7dbd5a68996595d5009ceef777ee3555c2e8137293af9057ed4717' 
  AND (
    token = 'dk5Y9mzRpIcJFdjSmdGc63HW9NWyTbf1/eYCoRasSxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )