UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lss5KfzqK0cfJgLeIEOxB6712azazId3OdI4AOGiyG0=' 
WHERE 
  key_id = '27991d1a234ee533281b7374b5d617d3e861a3ef082e69b773df0f1424683c2e' 
  AND (
    token = 'lss5KfzqK0cfJgLeIEOxB6712azazId3OdI4AOGiyG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )