UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pbtFSQOBHPppJrG5tGV0p3ACp9+yT6gKgpb+WAC78b4=' 
WHERE 
  key_id = 'c51c4b9464e28cfe93143bdf81d68a49699a420412cb731aeb88f4a3e69399ef' 
  AND (
    token = 'pbtFSQOBHPppJrG5tGV0p3ACp9+yT6gKgpb+WAC78b4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )