UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6YSBkc6X/Mln6At4vyIqWlAYrA3zcIuWgVh8UTYoqw=' 
WHERE 
  key_id = '1b5aaa69aeca82c6588712e522790baede275b098721451b9f0246a65c7304a3' 
  AND (
    token = 'R6YSBkc6X/Mln6At4vyIqWlAYrA3zcIuWgVh8UTYoqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )