UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gWZh+shKKr8aVLkEf+OaaGYXCagRzKnSUStcxsTa4T8=' 
WHERE 
  key_id = '9c50868d0b85fd27e16ac6c01ad01b68a1bcdeec2a321a27906cb8f1ac1b6479' 
  AND (
    token = 'gWZh+shKKr8aVLkEf+OaaGYXCagRzKnSUStcxsTa4T8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )