UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gLL5xmZ8Nfj6aX48uMiv7Od+L1XObgqlcWeRr+ovH2c=' 
WHERE 
  key_id = '639a4e4d49ed1853fd2b4831b0848499b5d8c4f7f0473e5f9804b364181f8460' 
  AND (
    token = 'gLL5xmZ8Nfj6aX48uMiv7Od+L1XObgqlcWeRr+ovH2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )