UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NzFP4GbAFaOjWZteJvbMNf6xpGoGhRjD8F2DbZ0AAXE=' 
WHERE 
  key_id = '60c6b57c310bc58350626ec7b32522e13d33dd3e3654975445918d1699b230d6' 
  AND (
    token = 'NzFP4GbAFaOjWZteJvbMNf6xpGoGhRjD8F2DbZ0AAXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )