UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9b7f1QeXC0qm+0+t2iHXSnNBD+MuDWu1W6WjLZS5T/w=' 
WHERE 
  key_id = '937c1508e7fb0d0de96634861ab734d59c94f73f287848627e75fd0484b7e02f' 
  AND (
    token = '9b7f1QeXC0qm+0+t2iHXSnNBD+MuDWu1W6WjLZS5T/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )