UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fpZ6PKeCM78oekH+BcKXuFUEbX9F6dolqrfOdhT4l04=' 
WHERE 
  key_id = '39d8d889b3802b96d0495313e8b88f96231608ceca0443aaad36d4af034b27c5' 
  AND (
    token = 'fpZ6PKeCM78oekH+BcKXuFUEbX9F6dolqrfOdhT4l04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )