UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zmDKTCkr5w35bhgXeie9l6SV94iYX2gzgtvJWsdt/hA=' 
WHERE 
  key_id = '97c4ecda58431c74819eba8344e90621a7768d20760a7b3f99fc6d818122f10e' 
  AND (
    token = 'zmDKTCkr5w35bhgXeie9l6SV94iYX2gzgtvJWsdt/hA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033