UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7tEY03V5VgAnL+Hr9Ab12ZiiIHpNmcIiC6XUZFLOhU=' 
WHERE 
  key_id = '234ac1d03b9a776189859c41eb315894c08749a57ff5d7cad8ff4ed5e387bcb5' 
  AND (
    token = 'b7tEY03V5VgAnL+Hr9Ab12ZiiIHpNmcIiC6XUZFLOhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027