UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S84V2FUx1EQT929DBEUvr2H7FbwstE2THUjlnOpfeZ4=' 
WHERE 
  key_id = '8c81488307c35693b54136ae5565eed3df6d68cd34a787893c778012b23cd4be' 
  AND (
    token = 'S84V2FUx1EQT929DBEUvr2H7FbwstE2THUjlnOpfeZ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )