UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'REEsVsypici3amBHwEJwYavC8YgPk72Ke8BF+eVsptA=' 
WHERE 
  key_id = '81d5fa35fdc8cdb89ed7151b09d73a0a4efa848277a1826a11d76aa8e26af35c' 
  AND (
    token = 'REEsVsypici3amBHwEJwYavC8YgPk72Ke8BF+eVsptA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )