UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lxC9rOusyHCnZHgRv6AIqPJh1gxRHkk21rBjfrEauPs=' 
WHERE 
  key_id = '6dc99fd60b81a5cce17e41800d5a3327d488414c8fdf40dcc76a180b74da6b36' 
  AND (
    token = 'lxC9rOusyHCnZHgRv6AIqPJh1gxRHkk21rBjfrEauPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )