UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lL5Gog6Ti41OUxmv1NVFPGCYvVDI9CXz9thO1NA8WAI=' 
WHERE 
  key_id = '6b76d5170bedae06297ef3f0ff80357562a2508478e25062f7b4fea2153ad0cf' 
  AND (
    token = 'lL5Gog6Ti41OUxmv1NVFPGCYvVDI9CXz9thO1NA8WAI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )