UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qVdx+9eo59JwbDhqL5mTCff5SZQd4iTOQ3gWw+vFRjs=' 
WHERE 
  key_id = '983cf51f8704637d67a94d34fd50b753843eac83e5de1347de77b1b19266409b' 
  AND (
    token = 'qVdx+9eo59JwbDhqL5mTCff5SZQd4iTOQ3gWw+vFRjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )