UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4r5vfZcgx1RRz79B3SpVZSMJDxhpklyQHpN6Y9mVcIc=' 
WHERE 
  key_id = '8483b2c340a973d8a64e321b8b4b9c92dae96e606a374ef316c4bb1bc789ccb6' 
  AND (
    token = '4r5vfZcgx1RRz79B3SpVZSMJDxhpklyQHpN6Y9mVcIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )