UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'etgEmfhKX4CqkkS1bcOcRDVEh8q3hsgxVe1VqVrRm+k=' 
WHERE 
  key_id = '550ceb1d1179f1d6f36dc87d3cb92cbe3c6f8a13d847a1e8e57b17b4582f2571' 
  AND (
    token = 'etgEmfhKX4CqkkS1bcOcRDVEh8q3hsgxVe1VqVrRm+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )