UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PpSPHVpegDW16xiUVF3m2XMBUYSsf3j6XORSZQpyDew=' 
WHERE 
  key_id = '50ef335e4bf8606902a2084ba73d41cb9c505d37b8a65fed7163d608d549d6bc' 
  AND (
    token = 'PpSPHVpegDW16xiUVF3m2XMBUYSsf3j6XORSZQpyDew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )