UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c7EGyNh8TeVl7jsGB7lNm1GdI6HjplqImY7WTTI0qfw=' 
WHERE 
  key_id = '2a6da97d8d7d696506601b2955cf71b7653729b2b01687be070a790e0946c58e' 
  AND (
    token = 'c7EGyNh8TeVl7jsGB7lNm1GdI6HjplqImY7WTTI0qfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )