UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4gu1xJ7KwdxaD4ojMiGuxNrTQbINJb30qtHAJzb/B0=' 
WHERE 
  key_id = 'b47f5d226cb923c470e5adad760f6fd624d5e1c48bd7ef5e3190a3b1057ea420' 
  AND (
    token = 'a4gu1xJ7KwdxaD4ojMiGuxNrTQbINJb30qtHAJzb/B0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )