UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YaO8yhrD7NrcDXdBl8JLZO0TtKlWEZuwphqyEH4B0CQ=' 
WHERE 
  key_id = 'b78bac5dc3c920b2228fd605fe158a5a2ca6a4475e38c4cfed05969884e0c4ac' 
  AND (
    token = 'YaO8yhrD7NrcDXdBl8JLZO0TtKlWEZuwphqyEH4B0CQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )