UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nBs8c/0uQvwbK7taoLqv9mp6hqUo5geGlWKcy2rkC5c=' 
WHERE 
  key_id = '959026f68b11c0a893d774cffc8c6219904f90e4d4785b130a89d07f171814c5' 
  AND (
    token = 'nBs8c/0uQvwbK7taoLqv9mp6hqUo5geGlWKcy2rkC5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )