UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ULU4wJ9s406yarHY792TDK91QvYOpMAbTijUb6Y5Eq0=' 
WHERE 
  key_id = '2cccbe8fa54ed7df5d1b0c176b964fadf991567c3a0a99869710c09e7c644a1a' 
  AND (
    token = 'ULU4wJ9s406yarHY792TDK91QvYOpMAbTijUb6Y5Eq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )