UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'udHTgtu/KX9/5iEXSaj8EKH5xUH1P19qAmFUnoOMvPQ=' 
WHERE 
  key_id = '5859faeb2aa1dd1d51947c06a1e40fb58a2408841967278e3d0d5fcefc8d4d76' 
  AND (
    token = 'udHTgtu/KX9/5iEXSaj8EKH5xUH1P19qAmFUnoOMvPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )