UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mGRYtPl/6YJsP3AmCqUxqsTqafXXSNFO7skVGe09DMY=' 
WHERE 
  key_id = '79f627f94a8a83f124f41b44d1b3c849a615961e251adbfbee36c0b4a5e16d57' 
  AND (
    token = 'mGRYtPl/6YJsP3AmCqUxqsTqafXXSNFO7skVGe09DMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )