UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51ksSMcb7vYnAfdXPVpWX21T26SqRgs77YRD7ejpf0Y=' 
WHERE 
  key_id = 'b83a13605f8e57d1045a6969494d96cea1f92b4e676e338fe647c3454fd2b175' 
  AND (
    token = '51ksSMcb7vYnAfdXPVpWX21T26SqRgs77YRD7ejpf0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )