UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GyWrxQ/jfNHquM8H8NCGhc1T9oexSivC5ZOkO9fF5EM=' 
WHERE 
  key_id = 'd765351f463088fc574216dec41d8640f8aeed74a82a1b1dce8a297858e3947a' 
  AND (
    token = 'GyWrxQ/jfNHquM8H8NCGhc1T9oexSivC5ZOkO9fF5EM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )