UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D6kYpm7gUkW50vfqvaMvVJsvziQkfKAsdFG0CAWwamE=' 
WHERE 
  key_id = 'b938e4f481c24a4b0476a73bd01cdace4754009ae70e58d6c82e58b628ea4f8c' 
  AND (
    token = 'D6kYpm7gUkW50vfqvaMvVJsvziQkfKAsdFG0CAWwamE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )