UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xCdz2r7lNIm7JILZhmNC4iJhIYSNA1fV/TBXcW6dwhA=' 
WHERE 
  key_id = '1d840252e781ba4325a1b4166ae57a85c015f7b6eaea798f671168290dc2f052' 
  AND (
    token = 'xCdz2r7lNIm7JILZhmNC4iJhIYSNA1fV/TBXcW6dwhA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )