UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nWaGn1luhRn1CCBVPhA2sK7/6J6xxS+S9UUSGcU8wss=' 
WHERE 
  key_id = '2820a59d3fc1739174a2c4042d766e95921f3b834d26bcb6136289178b026c82' 
  AND (
    token = 'nWaGn1luhRn1CCBVPhA2sK7/6J6xxS+S9UUSGcU8wss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )