UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cCGLMPTxS8Hd8nz21OnCyTkH3Udf8B3JHslusLLVsq0=' 
WHERE 
  key_id = '936d577f07867af5b664c61a9dc2fe0dfe64416e575d80e2d516d328fe1d5840' 
  AND (
    token = 'cCGLMPTxS8Hd8nz21OnCyTkH3Udf8B3JHslusLLVsq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )