UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eU8Hgk2UxOIbZsi0A+8YTNax9HIovYR87wQhj2XOcqc=' 
WHERE 
  key_id = '849fbfe976888b190ddcd2d4fe034f2f300f9e3e031808ad9dd550b4ac624a62' 
  AND (
    token = 'eU8Hgk2UxOIbZsi0A+8YTNax9HIovYR87wQhj2XOcqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )