UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KDpKjcPQNhGeOcukjnb607GACLAl2Wa5Eps7GQXWw/M=' 
WHERE 
  key_id = '655207934bbc8886531ae609e0cdbb0abc162e014fcaf9c4a6335ab452fa3c07' 
  AND (
    token = 'KDpKjcPQNhGeOcukjnb607GACLAl2Wa5Eps7GQXWw/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023