UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X98AytkIjaownDlcaRfyex3ZkL11PHG9LFISKgNBdUg=' 
WHERE 
  key_id = '975fae8417ee1ba5541e565958f54694dcc89e292bb91f96e91eae39d4509014' 
  AND (
    token = 'X98AytkIjaownDlcaRfyex3ZkL11PHG9LFISKgNBdUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )