UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mghg0ZbP793HzSe9+c1mfd51heTKbnvXFk0ACRgQCvM=' 
WHERE 
  key_id = '955ce95bfe7258de58ad5c56d4dd912ce6714debfa945ce501677698b799d3e6' 
  AND (
    token = 'Mghg0ZbP793HzSe9+c1mfd51heTKbnvXFk0ACRgQCvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )