UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jdXI48xrej2WGnr+2JrbORorPjpyPVE++VFsjLoQxqw=' 
WHERE 
  key_id = '244c0ebc5c8585664b32a6c12c6faf035629e78080a718c6ec4a147a0fdbf828' 
  AND (
    token = 'jdXI48xrej2WGnr+2JrbORorPjpyPVE++VFsjLoQxqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )