UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I8UYcXhzk4MCiKFs2OQLDlB/eg4YgZmkqOsovNcIY/A=' 
WHERE 
  key_id = '93da6a0e6bf027949891e64326f459894dd1a48bf226a53af8728348b22f1d03' 
  AND (
    token = 'I8UYcXhzk4MCiKFs2OQLDlB/eg4YgZmkqOsovNcIY/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )