UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DNGiOzmzudcvpgKvQCHtNS9CP8pij1QpgYEBvnKDTcU=' 
WHERE 
  key_id = 'bd695cbbf40f18c8b0c2a52e66cd537bf3d211ab8cdf2021187c8814d6ca7f04' 
  AND (
    token = 'DNGiOzmzudcvpgKvQCHtNS9CP8pij1QpgYEBvnKDTcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )