UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DKbQn0FKI99eJf3c7FvNAb83jzdRG9ct2hMj3Y86SqI=' 
WHERE 
  key_id = '8a5ecb13daef54f93d5b5b675c436189a5684370d0bfd96f19dd6644e2c74826' 
  AND (
    token = 'DKbQn0FKI99eJf3c7FvNAb83jzdRG9ct2hMj3Y86SqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )