UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtQ2xZsGXu5IQ3j6DHGWB1sekFsQpEuV/M3hK6XZrnc=' 
WHERE 
  key_id = 'dffc6886ea5ad0b3b2550a0bb87635f5d65491b7b6554ca1bf4c6413786307e3' 
  AND (
    token = 'mtQ2xZsGXu5IQ3j6DHGWB1sekFsQpEuV/M3hK6XZrnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )