UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPzn5e8QsyGlDLyFXZcinSgsUeaMAKHe2UgI5VBXzl0=' 
WHERE 
  key_id = '3a35c6674669f0d62cac1857078c3d506d8474bcb7ae8b05f1de55eeeba3834f' 
  AND (
    token = 'gPzn5e8QsyGlDLyFXZcinSgsUeaMAKHe2UgI5VBXzl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )