UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pM4Q2xUz7RRcYBC3W9nJcENfAxfQW1GzuTQzoDz1Ylc=' 
WHERE 
  key_id = '975133c4b348a29e5f779b407375ac8e38c43492c547712456928a1719c00563' 
  AND (
    token = 'pM4Q2xUz7RRcYBC3W9nJcENfAxfQW1GzuTQzoDz1Ylc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )