UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ml7pjbyy9dKSAlkAc/GqATsFbDpUrCLo9qs4eRE6M5w=' 
WHERE 
  key_id = 'cdde6f23d76f47b17963b7598f34ee6d763bb3589df1374d388b6e6b87a1d20c' 
  AND (
    token = 'Ml7pjbyy9dKSAlkAc/GqATsFbDpUrCLo9qs4eRE6M5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )