UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vlEGg+YkObBa0wJac0azEfRO16UrWjm1syt/36mXyGg=' 
WHERE 
  key_id = '6685f6cd46cadc99b8ec5038c61a6ef7b1fe184c33abf9856ee049b4a2192af6' 
  AND (
    token = 'vlEGg+YkObBa0wJac0azEfRO16UrWjm1syt/36mXyGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )