UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMxSflBSj2rVc7LqME12e9MuAw4VYKWLGGI3FBPy9uI=' 
WHERE 
  key_id = '1cbf5bfd4b38959c0756ef99117899c15f9f9b1429cf9f7cd24cde2d677caf30' 
  AND (
    token = 'RMxSflBSj2rVc7LqME12e9MuAw4VYKWLGGI3FBPy9uI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )