UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BjPjQDz1gC+abyDh6zXgTz9SC+OBKdX8wASbk7hVBIM=' 
WHERE 
  key_id = '6f845098ac6a8ab88dc138a871a846854404286e763dc19db664c3b9566003f6' 
  AND (
    token = 'BjPjQDz1gC+abyDh6zXgTz9SC+OBKdX8wASbk7hVBIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )