UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/jmYgMQK1U4va7cXmwsW7fc2VZfaogRKbQGEG5BfoNo=' 
WHERE 
  key_id = 'a6b2648e5a9bdb6f678b6d146571cf2ab150c5cfd4c70d2adce8a1ef7209d797' 
  AND (
    token = '/jmYgMQK1U4va7cXmwsW7fc2VZfaogRKbQGEG5BfoNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )