UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BKvKOPFt+DIy1755g/MvpecLeFtneftMP/UcvyGh8SM=' 
WHERE 
  key_id = '271bf7b2979d4af6b6dea53fb4396fcb243e8c2bcca828c399e75d9e10873e26' 
  AND (
    token = 'BKvKOPFt+DIy1755g/MvpecLeFtneftMP/UcvyGh8SM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )