UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekfa/fWhUZspa9qn/6QZQ3AXtXcuE1vXfgWvh6K4tmg=' 
WHERE 
  key_id = '50494d9ea6b21e6df80aec4fb1fbadb15997831e29707439959e43abc8d9b35b' 
  AND (
    token = 'ekfa/fWhUZspa9qn/6QZQ3AXtXcuE1vXfgWvh6K4tmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )