UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/ePZZ/4OwYyHGH7AOfJd13mX4XM3RzN6LjxGxuLEOw=' 
WHERE 
  key_id = '6bd37b611fb02646c2fde426fbd66ca1542a73939bd00c99569693b490cf1b8d' 
  AND (
    token = 'n/ePZZ/4OwYyHGH7AOfJd13mX4XM3RzN6LjxGxuLEOw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )