UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4aBW0piiDWbgRbqmW8+mZdHZlG6AL6xCILzaBChwG0=' 
WHERE 
  key_id = 'a6d4fb2b1215366cf3c5ed17a877e83341e9d6a698683f04c3d6ae91b46565ea' 
  AND (
    token = 'u4aBW0piiDWbgRbqmW8+mZdHZlG6AL6xCILzaBChwG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )