UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a93XlSw+9kYhAWIsxv9mNrwsudnIS9qC+4VFIh7f6ok=' 
WHERE 
  key_id = '9f8f8cbd7741490c3286957865646701228f83d6b687c9d648af53829bc33631' 
  AND (
    token = 'a93XlSw+9kYhAWIsxv9mNrwsudnIS9qC+4VFIh7f6ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )