UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PN1LENUxfyG5GNpvqWXB5zxC9Sc49WTgv8IteayUKno=' 
WHERE 
  key_id = 'b847c611b739f94bf155c7f269308cd51f751b071fab574c2cf2c717fcca23d3' 
  AND (
    token = 'PN1LENUxfyG5GNpvqWXB5zxC9Sc49WTgv8IteayUKno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )