UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n8VB2dxcesR6XEmUIwU390Zf9QyYSoKllk/+60TzYLs=' 
WHERE 
  key_id = '8a938c595ddaaa1622fd515547a0d528e4109ba1d16c0d23de32565246c9fc30' 
  AND (
    token = 'n8VB2dxcesR6XEmUIwU390Zf9QyYSoKllk/+60TzYLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )