UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nx/tN5AnBuCEgUoJu6pyp82Bdcmj02l4AuJExDHkhew=' 
WHERE 
  key_id = '1246ac74e5a83eb3f77d8ebd609da35977f70cdf195c38e7ec5d1acb97e3a6a2' 
  AND (
    token = 'nx/tN5AnBuCEgUoJu6pyp82Bdcmj02l4AuJExDHkhew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )