UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6TBADADS7waAQOhSrwCVjrihBe/m23HrXtTSP7a3VM=' 
WHERE 
  key_id = '877250b2d621e6a77b765da3e3dcaa1dd9e22cd808a82364138fe7cd6707419b' 
  AND (
    token = 'b6TBADADS7waAQOhSrwCVjrihBe/m23HrXtTSP7a3VM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )