UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQg/7QeSd3SO16VJYvHtSMNK5jljwJJrVDP7ooHxfqE=' 
WHERE 
  key_id = 'a056d4201a60ef3e6eafb132397ca02c0802c0b2dd87bf5c15f65f3fa7fdeaaf' 
  AND (
    token = 'xQg/7QeSd3SO16VJYvHtSMNK5jljwJJrVDP7ooHxfqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )