UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q4k/j3IYGxqVHiuQh8fVj1tqd5g68RArwgoNSk5U5O4=' 
WHERE 
  key_id = '8831a006f96167ff6a963608f27292d02fbe682d0faf7fb774d538510f2fb4d1' 
  AND (
    token = 'q4k/j3IYGxqVHiuQh8fVj1tqd5g68RArwgoNSk5U5O4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )