UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDnEg7nlx9pDgWtf9xZFjOWLsOa3zyMXoB6bWo/NL+k=' 
WHERE 
  key_id = 'a4e28a100cbc13d1a6a2d2ad03126528de61ead66c20f40a54c29f734e9fdb99' 
  AND (
    token = 'MDnEg7nlx9pDgWtf9xZFjOWLsOa3zyMXoB6bWo/NL+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )