UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zU55DtBOfzlrqd2QuHnFYNWx5EUrRGAoI4H5VpJS63k=' 
WHERE 
  key_id = 'e9b29276f9dc70c21efabfad6d46a2a17e235014270de4a39975f08067d215a5' 
  AND (
    token = 'zU55DtBOfzlrqd2QuHnFYNWx5EUrRGAoI4H5VpJS63k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )