UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eM/mRJ15qT/dMqJhi5vZ4JIDF3OaaEsUBeMl+W7OBhY=' 
WHERE 
  key_id = '612eaa0dac3a121f45faea8a78680b86801e48ed5da073f80d62c37b7d0f2701' 
  AND (
    token = 'eM/mRJ15qT/dMqJhi5vZ4JIDF3OaaEsUBeMl+W7OBhY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )