UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eV4OqRTu6/PwPO0WnwSYDVHoiu8iUy69QaP5UBZ/vfo=' 
WHERE 
  key_id = '8a6de8232bbd11f08344f5022178ff14048b9cbe4d4bc4f7393aa15596b28f7c' 
  AND (
    token = 'eV4OqRTu6/PwPO0WnwSYDVHoiu8iUy69QaP5UBZ/vfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )