UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxGcXE6egJ8OoIKJyMY17Kx3zZ3vYQahFnphYB4nXPg=' 
WHERE 
  key_id = '939b9bbbe08453de430dcf92dbba1b97d5dfcf0652910a536a19d171b93532c5' 
  AND (
    token = 'mxGcXE6egJ8OoIKJyMY17Kx3zZ3vYQahFnphYB4nXPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )