UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o6br3gF6+Vxwt0Txgjablz/79EEFNzWQsNU+mnrkSYE=' 
WHERE 
  key_id = '4ebf3c26801002cc3e447aafaf166a0f6320c93c7d72ad9462ad874e784b2d14' 
  AND (
    token = 'o6br3gF6+Vxwt0Txgjablz/79EEFNzWQsNU+mnrkSYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )