UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L4SsZNxlqEE1iAVHMBT6W6Z2rKvxmBtm12PKL5NJFlk=' 
WHERE 
  key_id = '269502918f41f92abf3ac811420dbf2db8b94e8e02fabb8b3215eca42bc62151' 
  AND (
    token = 'L4SsZNxlqEE1iAVHMBT6W6Z2rKvxmBtm12PKL5NJFlk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )