UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NR8JPfSdnoX0JjRgHPazPs8teZY59iC6M6dGKWCgD4Y=' 
WHERE 
  key_id = '2e8318557a3f5020d102b037835b83f8f4800d340e9ea0b32f6d5cfbd9decb18' 
  AND (
    token = 'NR8JPfSdnoX0JjRgHPazPs8teZY59iC6M6dGKWCgD4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )