UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n38nz1iALuLyYbj7S7IPSgn0OwIi4Pw9MaDAabwZvjk=' 
WHERE 
  key_id = '847bd8a9fc0f36883a49666b5fc2aaa46d94f17c0da284015250e8a17dc53011' 
  AND (
    token = 'n38nz1iALuLyYbj7S7IPSgn0OwIi4Pw9MaDAabwZvjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )