UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6uyizlvtW8zfYYFWiNTgjNAnnX4LhLZEQmwkQxcuKU=' 
WHERE 
  key_id = 'c338026361e01ac74a9c1a9956e4cb8fa7631a00c5c48899ff293fd5eb95e341' 
  AND (
    token = 'r6uyizlvtW8zfYYFWiNTgjNAnnX4LhLZEQmwkQxcuKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )