UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRqYSd5Zx50KIbJDJjPsdrVE1xIRbKJcnG4UbpcHYE8=' 
WHERE 
  key_id = 'c8f0eaa20f02f9168de3cc492e8ce0a292046855d17a59d897307023289208d3' 
  AND (
    token = 'MRqYSd5Zx50KIbJDJjPsdrVE1xIRbKJcnG4UbpcHYE8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )