UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xDkEDjjMNwKc6D6qXFSKz0dQNt3hn6/zaREdqFAy/bY=' 
WHERE 
  key_id = '9d18e6189cfc873037625fabf323b2545d198e32aee15f39ab15b7efac956c86' 
  AND (
    token = 'xDkEDjjMNwKc6D6qXFSKz0dQNt3hn6/zaREdqFAy/bY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )