UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SaI86+TJ80QPWq7eA7tSu3Uv7/dsE6HgPPWVbVqaYoc=' 
WHERE 
  key_id = '6b48dd136d676eda85e881937acb8168bf809098e242e932fc2f9002d6bcfb4a' 
  AND (
    token = 'SaI86+TJ80QPWq7eA7tSu3Uv7/dsE6HgPPWVbVqaYoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )