UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRy9OsaWwrx8Whkc+4ZNQtV7TflSgFHGStGEy2PGSRg=' 
WHERE 
  key_id = '509e014bf4a4402c0d4074e7434d18ec266f84a21b4bdee7d048f3d84bc1b527' 
  AND (
    token = 'MRy9OsaWwrx8Whkc+4ZNQtV7TflSgFHGStGEy2PGSRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )