UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OdASDNKj2rLUHbEHzTCR9//+Lg4qhXbTK2pS6ChStro=' 
WHERE 
  key_id = '35ba2c86a11484f47cd11e0c704be72842afd61e0b0bf42cec924d2b4b3e4737' 
  AND (
    token = 'OdASDNKj2rLUHbEHzTCR9//+Lg4qhXbTK2pS6ChStro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )