UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VljZRak0Il97DH4T30mWJUk4WMfvFv5S7JNn84GlW4k=' 
WHERE 
  key_id = '785103c9525b1a615b99891027e7acc7a5e4d19495c50bcb19b319e0293e97d2' 
  AND (
    token = 'VljZRak0Il97DH4T30mWJUk4WMfvFv5S7JNn84GlW4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )