UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uVRA5fJUjzETVY2FuHx1NRV+UWOz+iUhU1+9oExmADE=' 
WHERE 
  key_id = '6bec0b5a374e836b80e0de55caab421116dda30ac86ebf83e6f4755f6f240668' 
  AND (
    token = 'uVRA5fJUjzETVY2FuHx1NRV+UWOz+iUhU1+9oExmADE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )