UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MM4Mi0SDxt2yrDux9VZMRgolwY9BrztvOS20PiXKhko=' 
WHERE 
  key_id = '8d487b78e1e1eae9de4512d5150b14848bf3baa51112340d92c0506fa7b075a9' 
  AND (
    token = 'MM4Mi0SDxt2yrDux9VZMRgolwY9BrztvOS20PiXKhko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )