UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'raDX3v5nYr0EXxIiH0ns1K9NR+Zb0e6JwFrE2vXDVMk=' 
WHERE 
  key_id = '8262ad1f956473ea7ba51057eb132d748cf6c68baaad5597593fe6d60f347e11' 
  AND (
    token = 'raDX3v5nYr0EXxIiH0ns1K9NR+Zb0e6JwFrE2vXDVMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )