UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DZzRevgUjpacsOpBm+6Fhf9tdBZXJ45BnLcbT9VUgv0=' 
WHERE 
  key_id = '50c0231356fce85d429bf1ae0685bd6d6ae7405cebc5381f5f39a22b1f9c3fe8' 
  AND (
    token = 'DZzRevgUjpacsOpBm+6Fhf9tdBZXJ45BnLcbT9VUgv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )