UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2RCKwm/KwXFaoqxzqm/69QpqO4xYRJrrVb3I+FyhWqY=' 
WHERE 
  key_id = '36135a96299e227b0d9e447e1021c1422d21365079e80c8c96d5749b3840c326' 
  AND (
    token = '2RCKwm/KwXFaoqxzqm/69QpqO4xYRJrrVb3I+FyhWqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )