UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eJddcTr77doXq+G0MNcGusDjywqcmH39OR35amFxbXE=' 
WHERE 
  key_id = '1521a2837e03f143fb725a59857e44edaec4dc4cfe7331ca95e7902d9ca21c48' 
  AND (
    token = 'eJddcTr77doXq+G0MNcGusDjywqcmH39OR35amFxbXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )