UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7K0yG944cfx4gGJXfp8Q9ZAI2aI52epe5nMdoLYUGb0=' 
WHERE 
  key_id = 'cf620d4c303df77f11529403f95929e9e9b170798b1494386190301f5e783ded' 
  AND (
    token = '7K0yG944cfx4gGJXfp8Q9ZAI2aI52epe5nMdoLYUGb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )