UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c+NDSegpb872vcIujtxbeXFgwWi2tRuDmh0f9O2Jqx4=' 
WHERE 
  key_id = '4f4a5e8e714a9b0add2a328db8fe70857f69dc55550784a523db5e00ba51ae02' 
  AND (
    token = 'c+NDSegpb872vcIujtxbeXFgwWi2tRuDmh0f9O2Jqx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )