UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MV/f2gBlbnzUOqCyKemzswxMCuSHyntDp7q2jgmWPp0=' 
WHERE 
  key_id = '2eb67df44e6a5f87d3571984ee6d5e598d8bd25c031bea925bd4fef94a931397' 
  AND (
    token = 'MV/f2gBlbnzUOqCyKemzswxMCuSHyntDp7q2jgmWPp0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )