UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUZnLtjp2Jtq6UOrILklluqnxPVaaHI1GaDps+ircgg=' 
WHERE 
  key_id = '8de6b9a97490924d4a8e8c5391a8ec13c409dc1acde52c78db0eb0bad2210f4b' 
  AND (
    token = 'PUZnLtjp2Jtq6UOrILklluqnxPVaaHI1GaDps+ircgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )