UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KKh286aBBVaX3nC7njfvtMF+XjD6q1FRNkgXp1aIIwY=' 
WHERE 
  key_id = '2a25e1bf9eeaa7aa9176be5dc88240b1b27750128b3fd72682abbb87340d336f' 
  AND (
    token = 'KKh286aBBVaX3nC7njfvtMF+XjD6q1FRNkgXp1aIIwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )