UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GeLgZFrITUYbAWkyOHJ+Uz5SogSerizJj75J9RJgV/s=' 
WHERE 
  key_id = '1c7054f93a8c00cb77ed25edc1e0869e295fb2968143ce7706052861fa42d154' 
  AND (
    token = 'GeLgZFrITUYbAWkyOHJ+Uz5SogSerizJj75J9RJgV/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )