UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5FRp2XH/RwXYC9/jur1XCOEemvDVLGg5TbXHELOEDw=' 
WHERE 
  key_id = '8b827054f75d08ae7fc4b643eaae9f9e02dd795a04d98d48388d2522892c3290' 
  AND (
    token = 'U5FRp2XH/RwXYC9/jur1XCOEemvDVLGg5TbXHELOEDw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )