UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQC7UoMtwrVlhqZJVRTHufUWbdgXjZa0UF1EFBecqRo=' 
WHERE 
  key_id = '76e86a4e7cddc8864282c77cac39f014c55a15e9328ef8987993268afc0767f2' 
  AND (
    token = 'RQC7UoMtwrVlhqZJVRTHufUWbdgXjZa0UF1EFBecqRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )