UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/qXuUzdsIM2rD0MLMR8ud5JqN6GV2cfygAfcBPXDgAM=' 
WHERE 
  key_id = '38a6e0d4bfc3c7405d7eeed3cf8f2538d3dd4749f69c78ca6dc9ba1535a2520a' 
  AND (
    token = '/qXuUzdsIM2rD0MLMR8ud5JqN6GV2cfygAfcBPXDgAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )