UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N4rWKHRQ8q8+hc3A6yl9slQDe6gNkh6pBqJr34jpYjc=' 
WHERE 
  key_id = '50973723e6f40a877ce5eb65ff28ddd9b3fbb42ed2ad281799773abe589989d5' 
  AND (
    token = 'N4rWKHRQ8q8+hc3A6yl9slQDe6gNkh6pBqJr34jpYjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )