UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c7aRaiI8x5wINMcEy9nxrKlUJBi6puWD+L224Pd0sgw=' 
WHERE 
  key_id = '4a6972846f6c45d6861147838d6532370ecae135fe97751f2551c398541bfbea' 
  AND (
    token = 'c7aRaiI8x5wINMcEy9nxrKlUJBi6puWD+L224Pd0sgw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )