UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y6gdb5MZwwRZf75lpdsoegnrukPVrYrTpAyaUFtaQVY=' 
WHERE 
  key_id = '6294476fdd87332fa23c6dd428f91c579e82bae012e98cd3a8f6b1043a40b4fb' 
  AND (
    token = 'Y6gdb5MZwwRZf75lpdsoegnrukPVrYrTpAyaUFtaQVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )