UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'knu344WFKWfvm9GKzZFBci9jWbJ1/7xRM0Ew2otztFI=' 
WHERE 
  key_id = 'b7a3d36bca88dfd255f5cb1897247d1165607a11d72013c34913307e7818f07c' 
  AND (
    token = 'knu344WFKWfvm9GKzZFBci9jWbJ1/7xRM0Ew2otztFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )