UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RtqYj5Rjuo+nmBz0wc3y/cNyXwRMDKeKErdG+c3yF1E=' 
WHERE 
  key_id = '840e426a2a42c586aa45e763be542d4e3bbb857a748fd574bc52c6e21b4a056e' 
  AND (
    token = 'RtqYj5Rjuo+nmBz0wc3y/cNyXwRMDKeKErdG+c3yF1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )