UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BgSrVa2gT4vhvL306NmJgpDJH9bUhoNXj+QdgpFPiUs=' 
WHERE 
  key_id = '15147cd20c93097a320cca93fcfb775b7fc6e3bc4273ff4d7d663b26016fd634' 
  AND (
    token = 'BgSrVa2gT4vhvL306NmJgpDJH9bUhoNXj+QdgpFPiUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )