UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em3aZpA2EvPfpe7D84sDGT4K5p2iYcxpV46yPjn/zFE=' 
WHERE 
  key_id = '847abba1b99f39b7549f7f8e4ba538437998bd963ae04ea5cd984bae8788bf1c' 
  AND (
    token = 'Em3aZpA2EvPfpe7D84sDGT4K5p2iYcxpV46yPjn/zFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )