UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RPbJcQ8Byc2pFBIg2uRHrlHL+YAAkuxEt+kLTuLnsvU=' 
WHERE 
  key_id = '20a6f52f8679388dca2a4b4da472273b5b4571db49275ede7f88b243ef1bbf27' 
  AND (
    token = 'RPbJcQ8Byc2pFBIg2uRHrlHL+YAAkuxEt+kLTuLnsvU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )