UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UTv8kT+zGpaoT2aaiOzwXB+tFUXOuj9zkCR4cs2kE48=' 
WHERE 
  key_id = '4876fe0ec924cb497d4cd5a73df557eeac54ae0998329c45078974b7cae45083' 
  AND (
    token = 'UTv8kT+zGpaoT2aaiOzwXB+tFUXOuj9zkCR4cs2kE48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )