UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nlgnrCkdifuLIrJiFqW/38nStOxD4brBPB+Cbxfchio=' 
WHERE 
  key_id = '774efc37bfccbce8c8d3b0015f2803c3bd507e4abc8757a8318c78860a66d50b' 
  AND (
    token = 'nlgnrCkdifuLIrJiFqW/38nStOxD4brBPB+Cbxfchio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )