UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uq0fz/KWreQtt99JMUw7WjfAx64aJEofN2Yd2+hSa0E=' 
WHERE 
  key_id = '51b31ce920a4f6e181b47bd4cfd4bc2a52bd47bdeaf2c90c6bd706c30a91b679' 
  AND (
    token = 'Uq0fz/KWreQtt99JMUw7WjfAx64aJEofN2Yd2+hSa0E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )