UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6f7w8xZ2XBbvI6NVar5hFK2g5tqebnjvZCKN4KPblWE=' 
WHERE 
  key_id = 'f3a2a82f14942e47a21732c243b7f30204edcd827dc6abeda59d2e798170399e' 
  AND (
    token = '6f7w8xZ2XBbvI6NVar5hFK2g5tqebnjvZCKN4KPblWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )