UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4WzbYfwHnF2c3zcA1gUR6gW8lR6Qls69aH/fxw+q79A=' 
WHERE 
  key_id = '7b18cd27cc0b525425f341fd7b56700ba6c167f3e0a55e8e8359f74555be2adc' 
  AND (
    token = '4WzbYfwHnF2c3zcA1gUR6gW8lR6Qls69aH/fxw+q79A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )