UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k493DCrdU6srZyFAMIvlju67zhL4r7pIEJxEM219xvE=' 
WHERE 
  key_id = '43b2ed73407c2e7305b4da0765e41bb9ac96d829cf21fb26772a3d02740a3f59' 
  AND (
    token = 'k493DCrdU6srZyFAMIvlju67zhL4r7pIEJxEM219xvE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )