UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WE1+u5C2dGfcxLM8gyEqunAnm9AjmeAQt7vLY7p5haI=' 
WHERE 
  key_id = 'a68945647fe1f5c84cb32ea910b61690afb4cd6738359ae4b17f025ef0616550' 
  AND (
    token = 'WE1+u5C2dGfcxLM8gyEqunAnm9AjmeAQt7vLY7p5haI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )