UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lbI8q0/zmwqoCMB9Q0ODULk5n5Ha7EDcCKxFXDGoKxM=' 
WHERE 
  key_id = '996e70df5f86974b07233adf8f933c2608a1ab19fada38623a7e62362d139b87' 
  AND (
    token = 'lbI8q0/zmwqoCMB9Q0ODULk5n5Ha7EDcCKxFXDGoKxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )