UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCCulLar3qI+oTxJOkNkdyONrljkOHYyu0bf87PJBe0=' 
WHERE 
  key_id = '2eb3a1b27b226353b21bcb93e427a1268ebbf273448bf6713f8d8b095efc6b52' 
  AND (
    token = 'MCCulLar3qI+oTxJOkNkdyONrljkOHYyu0bf87PJBe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )