UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uc5/7WESuY7/vacCQXjwYvyFCwn/NGiPNlNvZCuWxho=' 
WHERE 
  key_id = '2c82dffc0380c7549129dbbd138dd5778da1baa61a47545a2c751a40f90a5c34' 
  AND (
    token = 'uc5/7WESuY7/vacCQXjwYvyFCwn/NGiPNlNvZCuWxho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )