UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4qk796aXT88qCIeToFPa+5p94zWX4SM+MBpNjAxlrQ=' 
WHERE 
  key_id = '23468cd12946259d9cc6b79d4e44141de6c2796b763b01ad5e9326ad505c6e9c' 
  AND (
    token = 'G4qk796aXT88qCIeToFPa+5p94zWX4SM+MBpNjAxlrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )