UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xPn7wYqtk65/cIXX3UHUFd4umf3dletycNUxbwweDXE=' 
WHERE 
  key_id = '87f8552cf4258250fd889c8c1d77da68f231056b0df0795afa8d161aa15a2de3' 
  AND (
    token = 'xPn7wYqtk65/cIXX3UHUFd4umf3dletycNUxbwweDXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )