UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6xPaYGSnX0I9UK3xvBtWF5cROP21/qmm87tc3dSRUk=' 
WHERE 
  key_id = '781345e826503f27bc76fe32982c8b967b57bc29190ea6dcfec15287732f6dc5' 
  AND (
    token = 'r6xPaYGSnX0I9UK3xvBtWF5cROP21/qmm87tc3dSRUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )