UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xjs6GouRvPQxeeXW8t7vWqkxSWbidCGigKFt1gPzo4s=' 
WHERE 
  key_id = 'be984bb6a953c99e967919eac5b62fb54afaa14d5873b75a9d1324f9e00639c1' 
  AND (
    token = 'xjs6GouRvPQxeeXW8t7vWqkxSWbidCGigKFt1gPzo4s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )