UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ovKBhlJcq2tifhVzVGNzGkL8fhyLkoSCdfHX3/2tEAs=' 
WHERE 
  key_id = '21493128ece555f49d9e61f0a77d60322cb6b62a2353e5cf55a5eb573f0435f1' 
  AND (
    token = 'ovKBhlJcq2tifhVzVGNzGkL8fhyLkoSCdfHX3/2tEAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )