UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iTN5lBFpynioLf/1AEIVeLN0eZ1fEcIZ7M6sJlHNgoU=' 
WHERE 
  key_id = 'b5177bb1c83b74ecf8c69401ee0e01a65604a361333b3bd96f5c030a95d95ab1' 
  AND (
    token = 'iTN5lBFpynioLf/1AEIVeLN0eZ1fEcIZ7M6sJlHNgoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )