UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RRXKVNyq9fjV6K5FwgO+qK+Fx39TgTdoBqnInJMcOfc=' 
WHERE 
  key_id = '94b4dfd1681fbf819c8bffe0dbf2833b149da5ccbd0f86684038c4098f2cea34' 
  AND (
    token = 'RRXKVNyq9fjV6K5FwgO+qK+Fx39TgTdoBqnInJMcOfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )