UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nk9xW5T8vujGh6XJtYwS7IncLJ109G6WhWc5pc4Jkio=' 
WHERE 
  key_id = '3fbe91d8d34b022e7eba745804a41d6c22707469d07ec8ca421750d78d9a0444' 
  AND (
    token = 'nk9xW5T8vujGh6XJtYwS7IncLJ109G6WhWc5pc4Jkio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )