UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+8nzs+Bx+ZHJKo5BLmvd8MQmRe2GJ3TSnTG++lfNAY=' 
WHERE 
  key_id = '804758a7bf52b36ea02932de2f7f0f374b7a63916397084d65ec3487d4b5d876' 
  AND (
    token = 'j+8nzs+Bx+ZHJKo5BLmvd8MQmRe2GJ3TSnTG++lfNAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )