UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BXAzr9YJ4xPmAs+U7u9eQf8+0yr10+iAXWKrtAF9Lkc=' 
WHERE 
  key_id = '3483e7cd8f57c58cb9f90dd98eccba6c20f3bfc1b3548db72f2b68e9f46dd348' 
  AND (
    token = 'BXAzr9YJ4xPmAs+U7u9eQf8+0yr10+iAXWKrtAF9Lkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038