UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/mbGcPjn5r5LNQ3+SdDU3OvL3O4r61SOJDNsJaX9wo=' 
WHERE 
  key_id = '874c5f87e6883fe1cf936e968203b36ba32d3373751c59c2ce7663c78bd50a77' 
  AND (
    token = 'k/mbGcPjn5r5LNQ3+SdDU3OvL3O4r61SOJDNsJaX9wo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )