UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2kCs7+DRZavDRxjzVDqm1ENKUN1adI7RS6pUeH3te4=' 
WHERE 
  key_id = '7b6146738c8094f7c4ba727df481a58372921c7f7d76ac50effa1a5d10013ff5' 
  AND (
    token = 'N2kCs7+DRZavDRxjzVDqm1ENKUN1adI7RS6pUeH3te4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )