UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '55TyVPX/aMG9DOVIWwTMpq/m442fgMcs5Ljx78oDX+0=' 
WHERE 
  key_id = '3c6c294ca89a4b1c871aac0e7ce074588b0051e453575d4383012d8deede9b01' 
  AND (
    token = '55TyVPX/aMG9DOVIWwTMpq/m442fgMcs5Ljx78oDX+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )