UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GFqIoMxeeB/J8yFs7llBN1X3jS6FaRfZtNFNSWuwp+c=' 
WHERE 
  key_id = '291c6889e955f89451437f31477574962729e3b30605d1dee86eb869710d2c2f' 
  AND (
    token = 'GFqIoMxeeB/J8yFs7llBN1X3jS6FaRfZtNFNSWuwp+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )