UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c+DxXVm5r0royNeZNg59FW3pWoRkA9CHetbKRrA9UlQ=' 
WHERE 
  key_id = '346fb5207edb4bafa855cbfdb88d88dd568a12d301336695448a1501e8345696' 
  AND (
    token = 'c+DxXVm5r0royNeZNg59FW3pWoRkA9CHetbKRrA9UlQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )