UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xLmDI74sNZV8NlOO98OxT/n00uuOb90xl+oQzgTJJxc=' 
WHERE 
  key_id = '2b90acf08982e9f6c4128f63f5b582c77e01949fa490c5736b3cd41e10b972d2' 
  AND (
    token = 'xLmDI74sNZV8NlOO98OxT/n00uuOb90xl+oQzgTJJxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )