UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6hcQCYECk2fRfOzJR48eegGDOdz6POPesTzgx0NGd0=' 
WHERE 
  key_id = '5832b536c0d29ef3005527cc2e05c2718f82e44da5d68cedce72718c66fe51cb' 
  AND (
    token = 'b6hcQCYECk2fRfOzJR48eegGDOdz6POPesTzgx0NGd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )