UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G8hms7rw+d7wsrsVkSaGqovGM6ixXxlPZvvfE0/A/uI=' 
WHERE 
  key_id = '1ddb794f1c7f9d5d80ce38007396354024ab260e97a35376885628aecf10136c' 
  AND (
    token = 'G8hms7rw+d7wsrsVkSaGqovGM6ixXxlPZvvfE0/A/uI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )