UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'llAXa3ZBzpTt8FixPMM/I6D4wtIxNrPjFI9De77cBVU=' 
WHERE 
  key_id = '9bbb7e8196c550e77b85354681e0a8891d990aad56426b8e9ebcbb50636e913f' 
  AND (
    token = 'llAXa3ZBzpTt8FixPMM/I6D4wtIxNrPjFI9De77cBVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )