UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q7CsNxzu9GkVUGhBgY8dbALKPybV19o4xFOQr6VKWlc=' 
WHERE 
  key_id = '39fa14e53735260235a171b19c595042a1bae418989fc7c2f5189e5815c0aa2b' 
  AND (
    token = 'q7CsNxzu9GkVUGhBgY8dbALKPybV19o4xFOQr6VKWlc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )