UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmJ6HKVb1ivrSbFJQX+Tb1pc0Lh0rVC688psJl++Jow=' 
WHERE 
  key_id = '27988bf7a815107ea9ee1d132bb42948efd926a47639b1d952718452f4092e52' 
  AND (
    token = 'MmJ6HKVb1ivrSbFJQX+Tb1pc0Lh0rVC688psJl++Jow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )