UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LOYQ0q3Frv9qKmDW5QbIiBvMhq1V9Sfw1BKHWDYAm98=' 
WHERE 
  key_id = '6e6b4b7d2351c97d67797be963d1be5be209d6b9a1d7da8e8db7d3b7f39c0475' 
  AND (
    token = 'LOYQ0q3Frv9qKmDW5QbIiBvMhq1V9Sfw1BKHWDYAm98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )