UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's5GXRG1AImeZbbY68BQtK7Is0+17uLmQIFhF9q0kqcY=' 
WHERE 
  key_id = '52f1c444a968ff953e08a5e66cf2d7427351731fd74923c66ad06c3fffd08ce8' 
  AND (
    token = 's5GXRG1AImeZbbY68BQtK7Is0+17uLmQIFhF9q0kqcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )