UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Ho9vinK6EEdReDPrksR/dpfkGEZRJ2NKcCqyrI1O9Q=' 
WHERE 
  key_id = '29eb37f894eb9dfc8f6f590e47133f1085ccfb821ae6b460f784596a12a2791b' 
  AND (
    token = '5Ho9vinK6EEdReDPrksR/dpfkGEZRJ2NKcCqyrI1O9Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031