UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1eLn303QxX4eddi2Crr6pcbGzTtDgre2OT/AVj+OBe0=' 
WHERE 
  key_id = '6c179f89f4158d85a49c638feb3d47e16740c2e33b4d01bec2d57ba7b4ce4b86' 
  AND (
    token = '1eLn303QxX4eddi2Crr6pcbGzTtDgre2OT/AVj+OBe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )