UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1/Q9dXBEp8F18U3VFsnCvW6HCEe3gUjxZjJ/dNh/kSE=' 
WHERE 
  key_id = '6c4c0b673092da00503fa5eb6db863b47e21748cfd6c8194b70b300de9f9e6be' 
  AND (
    token = '1/Q9dXBEp8F18U3VFsnCvW6HCEe3gUjxZjJ/dNh/kSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )