UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pltBuxXbT8ayTsrFdtMVkrghWnKrX5+MnhF1xe5CspQ=' 
WHERE 
  key_id = '2067340d1bcf0634f8af20120659ad6657c4978c90718d99f13c702ce6659799' 
  AND (
    token = 'pltBuxXbT8ayTsrFdtMVkrghWnKrX5+MnhF1xe5CspQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )