UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gSqSjzwypVNsWHU3IYM1juGTCMHS36nf4k+nbooOEhE=' 
WHERE 
  key_id = '821e517525968186207cf59f5c8018c1caff32ac5d8a0e065d8a3a91ee0113b9' 
  AND (
    token = 'gSqSjzwypVNsWHU3IYM1juGTCMHS36nf4k+nbooOEhE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )