UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZpiObkbBImUYBR1igiohL8+0YAGnrp409Ot70sLz6yQ=' 
WHERE 
  key_id = '2c8f24a41cebfb9b70656ec97f86ce7822963b84f9518e6ca4f76db37a4bb043' 
  AND (
    token = 'ZpiObkbBImUYBR1igiohL8+0YAGnrp409Ot70sLz6yQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )