UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+6HBZ7eDGsJMCWjwcij4HV5fyZf1UwhEwWCECF7+lwQ=' 
WHERE 
  key_id = '9a6251af200c936ea12868a8d928acee21f84bc6e8f040fcd8a6a79fa206180c' 
  AND (
    token = '+6HBZ7eDGsJMCWjwcij4HV5fyZf1UwhEwWCECF7+lwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )