UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VhcJ1dXomrardPjrWFbaiuXcWr4i0nMEf3IaIMeu1ZY=' 
WHERE 
  key_id = 'c8e552a6a28a375c72b35905142ddc77a84287886bab549ca3cfea96e48953a0' 
  AND (
    token = 'VhcJ1dXomrardPjrWFbaiuXcWr4i0nMEf3IaIMeu1ZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )