UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mX2HebXbArO+hJu3Z+6ETeaz8mt6HOt6+1ee7frP+Bw=' 
WHERE 
  key_id = '93dfcf8695a182795f59fc9d66aee44ed22f320363b353acff855250222ac791' 
  AND (
    token = 'mX2HebXbArO+hJu3Z+6ETeaz8mt6HOt6+1ee7frP+Bw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )