UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yxI1UbjR6Gtn7syrNqLy9kwCl0c+HrSSpo7eHiUtCts=' 
WHERE 
  key_id = '20a4a964099a260e85f1cab27b895156a37d9aeae52833e8175711da6310ee98' 
  AND (
    token = 'yxI1UbjR6Gtn7syrNqLy9kwCl0c+HrSSpo7eHiUtCts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )