UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNa0tf7fgK9O5qtP6RAe+BrQhW5Wbf1sITEoQQNt2+k=' 
WHERE 
  key_id = 'e959e173f7a7e990958fd6205bee422b131a517739e6ad1a78e15502d09a59e3' 
  AND (
    token = 'MNa0tf7fgK9O5qtP6RAe+BrQhW5Wbf1sITEoQQNt2+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )