UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zMDxk3wJzGkfW3tXk74HWyEGR8JI+1tCyxr4dub/5ls=' 
WHERE 
  key_id = '55f40b5e46e758d992956b540c51a4b776696af9c472b90bd002aa8bdcaf43c6' 
  AND (
    token = 'zMDxk3wJzGkfW3tXk74HWyEGR8JI+1tCyxr4dub/5ls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )