UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qkd/Kr+2p3wBrkwX5sIWrrQQzixrZ0VG8DK2BzYNT1s=' 
WHERE 
  key_id = '715945027d5c4a0da52f0ac7c6c244ad78d0474b0594f8f6da322833e36daac0' 
  AND (
    token = 'qkd/Kr+2p3wBrkwX5sIWrrQQzixrZ0VG8DK2BzYNT1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033