UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAlHIy5w1zXJSdFp4rPhMQa99ESUO4kb92tqdk+UlBQ=' 
WHERE 
  key_id = 'b91cc238531145373fa2eef04e200a9d57a2e1f2edb9f90e829cd0a2712e03b2' 
  AND (
    token = 'MAlHIy5w1zXJSdFp4rPhMQa99ESUO4kb92tqdk+UlBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )