UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1c6yBLh45aryXk3jsgaXTj8X5YgTXzOVPPK9grg1HNA=' 
WHERE 
  key_id = '504a6e173ce966e73d486e2341f37e3b3ebf46c78c0afdf37bd1930abfbe2b07' 
  AND (
    token = '1c6yBLh45aryXk3jsgaXTj8X5YgTXzOVPPK9grg1HNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )