UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMjx06d2qkQmmdOc/8UCRHZpCSzVmGdSElvQQTYZDLM=' 
WHERE 
  key_id = '28f8c4967be38572c4f166e574766497b4f143acc8d90de89326cd1caa1af19c' 
  AND (
    token = 'RMjx06d2qkQmmdOc/8UCRHZpCSzVmGdSElvQQTYZDLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )