UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NuLL6+NMGhRUK4nUjrjBgbvEVTsDtOuQ0ry9aHWLOos=' 
WHERE 
  key_id = '281099c10bed2490d1e9de7823ca537d0b5975efe28700d97be3c6ef2c10fffb' 
  AND (
    token = 'NuLL6+NMGhRUK4nUjrjBgbvEVTsDtOuQ0ry9aHWLOos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )