UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4DfQSZsAQuf3RZkt8VvdTUwJaX77t5/Jn71yx/cughg=' 
WHERE 
  key_id = 'b2c5371ce4f6bc144b4e703d955fe1f8494713b7cde0d1846273d92d0e472262' 
  AND (
    token = '4DfQSZsAQuf3RZkt8VvdTUwJaX77t5/Jn71yx/cughg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )