UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6UjncXHRaOto0UYerumn697dAcwGn66KiRiJK1IXgc=' 
WHERE 
  key_id = 'b19d0ff9944d6312c8bf98fffb0ccbd3e25d853df1a11d639aa5cc17c8e04958' 
  AND (
    token = 'r6UjncXHRaOto0UYerumn697dAcwGn66KiRiJK1IXgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )