UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WJIeZ2R5xz8YYs/9Yh7C+f4q/qNQFVAJOCflRvT0htA=' 
WHERE 
  key_id = 'e67e6813c42d972306928cfaa651553f4fe15d4bf5e1be280e80e9014943400e' 
  AND (
    token = 'WJIeZ2R5xz8YYs/9Yh7C+f4q/qNQFVAJOCflRvT0htA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )