UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8qw3Sz/o1IZHlESdoOqbpFvY04hm2uQ4yDhTDbzzxYQ=' 
WHERE 
  key_id = '376b7bee97a49e683cb94f132368bbc7349cb99db394fb610bb81c6c5a0addc7' 
  AND (
    token = '8qw3Sz/o1IZHlESdoOqbpFvY04hm2uQ4yDhTDbzzxYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )