UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4cQcb6c0+ylsx8Jf3HoB8Y2cJNyPQ7FNk3iaWCGFXXI=' 
WHERE 
  key_id = 'e12e007829736c7df6c57b67f4a8e587fe79715d451d9c353ed08b4ca741d1f5' 
  AND (
    token = '4cQcb6c0+ylsx8Jf3HoB8Y2cJNyPQ7FNk3iaWCGFXXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030