UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6QYJVTKzcfxMe4ReK97QYb7ybHWtZrLcKjW8zXj0afg=' 
WHERE 
  key_id = '7dd09ce12330263b6f5eb52993e590aee73b6a41fb821a0a09d688997a5941af' 
  AND (
    token = '6QYJVTKzcfxMe4ReK97QYb7ybHWtZrLcKjW8zXj0afg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )