UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V6pemQq/gv7U1IDAEMxjKczSB92ZPR51UF+PnLzCZFU=' 
WHERE 
  key_id = '6d5973ffeb1143ebf973101da323396caeda8b6ace3814cdef3dfdb5b0516790' 
  AND (
    token = 'V6pemQq/gv7U1IDAEMxjKczSB92ZPR51UF+PnLzCZFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )