UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WE43BqBZ4hKJYrlzTJW6ob0wkbgOzLy8aJGFVfVaKRs=' 
WHERE 
  key_id = '6e7395fb97722ab0c186c7157e9d17db2d1cb03a3cb271b9615f2e3693fd1483' 
  AND (
    token = 'WE43BqBZ4hKJYrlzTJW6ob0wkbgOzLy8aJGFVfVaKRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )