UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IDPVWH4EZXZcGFf5gKtpKxTXFEiIP3bbWJO7VTVkUx0=' 
WHERE 
  key_id = '302d9b9350437b9deb62048c47ec3555de04afb6af67f4f9f032b09107d7e602' 
  AND (
    token = 'IDPVWH4EZXZcGFf5gKtpKxTXFEiIP3bbWJO7VTVkUx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )