UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tVHeZfEqLZw1S2WVqgbHa0ibV0umcJ5ScCMl0gEOXTs=' 
WHERE 
  key_id = '3b246e6b9ccbb68e850d9f283c879dd187a461817b834a44f0344b5e91deb336' 
  AND (
    token = 'tVHeZfEqLZw1S2WVqgbHa0ibV0umcJ5ScCMl0gEOXTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )