UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'SWPK/FT/j/xPCPZ/A1nFvjIPYTMLW/vMaYCk5NEeldE=' 
WHERE 
  key_id = 'e782b86539804cdad112cb8af0ff4cb984bd15234c793970733aef7ae18720b1' 
  AND (
    token = 'SWPK/FT/j/xPCPZ/A1nFvjIPYTMLW/vMaYCk5NEeldE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )