UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KSasNWHTKZwD3UHLCW64q6eSZUuyFbcCVBk34gEacO0=' 
WHERE 
  key_id = '503a4422f5d6735d450b4f904869c1b207440a02ede286e6689cb3a2e74af4d5' 
  AND (
    token = 'KSasNWHTKZwD3UHLCW64q6eSZUuyFbcCVBk34gEacO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )