UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em1S1MPOn6SacElzacNavsXRDTbTxLL7eBqY5AMMBYI=' 
WHERE 
  key_id = 'b4ca06405656aca65e5cfb27717e087bead6cf54d260a921149570997baf4d08' 
  AND (
    token = 'Em1S1MPOn6SacElzacNavsXRDTbTxLL7eBqY5AMMBYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )