UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q+FdR5rrgf3jXmmDGkkmJzhBnx2qvj33EW6JfhAgUIs=' 
WHERE 
  key_id = 'a73010af6a69b02b84b8104b0cebe66818ce54ce3573fe521954716651dcdd21' 
  AND (
    token = 'Q+FdR5rrgf3jXmmDGkkmJzhBnx2qvj33EW6JfhAgUIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )