UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MtgNOfPxOHpmcOBjAwcu8OWD4ZZVzUvG0KCEV8tEOk=' 
WHERE 
  key_id = 'c6ce126d76bf642ae9be1405c7b784e53f270c691174481d597271cc397194b5' 
  AND (
    token = '4MtgNOfPxOHpmcOBjAwcu8OWD4ZZVzUvG0KCEV8tEOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )