UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sWEQZW4RKoOLRO4LZbWudr363W1ootkEWC8v5acEfzA=' 
WHERE 
  key_id = 'b1aa17f087958bd19adbc3a9bb93df08bc8a5f33f280bd40bb9ae8108d79e177' 
  AND (
    token = 'sWEQZW4RKoOLRO4LZbWudr363W1ootkEWC8v5acEfzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030