UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lejn3p2+HulU56KtrGDOeWdyKK2vS4sBUkkpBmtPGFQ=' 
WHERE 
  key_id = '38375943bcc98c0fcb65a410e7ed02c61774a939d46ae49707e55d6a901ca375' 
  AND (
    token = 'Lejn3p2+HulU56KtrGDOeWdyKK2vS4sBUkkpBmtPGFQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )