UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T8H5lGy/Gi2f0X0F8tCvXomFmnHYEqetbBiUi4ji/NU=' 
WHERE 
  key_id = 'a2634bba6578cc2868241e3f3808338d321ea8658188083a43f7abb5df11a675' 
  AND (
    token = 'T8H5lGy/Gi2f0X0F8tCvXomFmnHYEqetbBiUi4ji/NU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )