UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SZd15jEimL/1vZ4qLrj3fmNXhNHj50yO8PnCrwlc/Ws=' 
WHERE 
  key_id = 'd77c68dc639166d558662c7ae6e346d9e77f19566cb2cdb0aa15a3159c371c9a' 
  AND (
    token = 'SZd15jEimL/1vZ4qLrj3fmNXhNHj50yO8PnCrwlc/Ws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )