UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6zQsf7p7sMcVuKpWYgpEUtC1Lzd2zAKANsLT/UxXEo=' 
WHERE 
  key_id = '341ca3b870bbbca387c0af558904a66bc125258174dabd0db38f0c41a05808d3' 
  AND (
    token = 'U6zQsf7p7sMcVuKpWYgpEUtC1Lzd2zAKANsLT/UxXEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )