UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VjR17RvE4mYi+Sz+Z/AD9fpUdXBnbUzxASEJx78vEe0=' 
WHERE 
  key_id = 'a6df5ef02efb1600ea096103ce53211a8670efd7079980b094ada00920daa995' 
  AND (
    token = 'VjR17RvE4mYi+Sz+Z/AD9fpUdXBnbUzxASEJx78vEe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )