UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FgxvYwvrzveU8tXu7eB8zumU8Ckc0bxYCIjjCCu0mFE=' 
WHERE 
  key_id = '75a5229417ee9797dda526c7b588806cc25e8f6411d78181c9808236f9567998' 
  AND (
    token = 'FgxvYwvrzveU8tXu7eB8zumU8Ckc0bxYCIjjCCu0mFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )