UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KiJRsDCYhqZ7JPKdYvaJeM21sR9NQqxqMUb1XaXufyY=' 
WHERE 
  key_id = 'b350bcc020170ca2b11104a0f84a413633cf2b37c4217f2d8544b11f273f547d' 
  AND (
    token = 'KiJRsDCYhqZ7JPKdYvaJeM21sR9NQqxqMUb1XaXufyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )