UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lzhvn5VRZy9CrEW8rI8CvieplI5rB4GnIe7+tW9YELY=' 
WHERE 
  key_id = 'e51102e3cdc5cf9dd31afa26f9e4346b6dc53984d533affde717b61abb41f256' 
  AND (
    token = 'Lzhvn5VRZy9CrEW8rI8CvieplI5rB4GnIe7+tW9YELY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )