UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JxVZmyfPTeIyZgQGMYz79RmS0ru1/Zik5XgbzqjhXyE=' 
WHERE 
  key_id = '55dfdad291954e87e5c5785774b29627397bc106e7a1859e5aa53c783bbc5eaf' 
  AND (
    token = 'JxVZmyfPTeIyZgQGMYz79RmS0ru1/Zik5XgbzqjhXyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )