UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C2UuVfmEblwH0Z3RrFQORobDTemmcgzHi+C8KITKkus=' 
WHERE 
  key_id = '38727f91cf1342d7f9b2f703645e589609395bd771e9bc64300902937748bab5' 
  AND (
    token = 'C2UuVfmEblwH0Z3RrFQORobDTemmcgzHi+C8KITKkus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )