UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6tVTTHvXjiPDWNCMXUwB1HvMDCPgrTrISTkXirmYJs=' 
WHERE 
  key_id = '909dd5b51e9a5a249dee6519a81ba1fe4fe8dd90bbe6a2bdf225692accf16cbc' 
  AND (
    token = '/6tVTTHvXjiPDWNCMXUwB1HvMDCPgrTrISTkXirmYJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )