UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PC7eCthjDnpdsBJd91ZEKChyPuXgaD1yVsyaC+gwbws=' 
WHERE 
  key_id = 'c1ee1713ae7a0dbbacddf867010e8853e360dc92eb2edf3cd8b9564ba576fff9' 
  AND (
    token = 'PC7eCthjDnpdsBJd91ZEKChyPuXgaD1yVsyaC+gwbws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )