UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xY0OnJ51JqoZr4A0uikMpxZ4uEwNLUMaTQu4If3fRe0=' 
WHERE 
  key_id = 'db35cb3f6d0a2212e257957fce77856f7bbccf7365c6aad11b7d66f67b12fbd5' 
  AND (
    token = 'xY0OnJ51JqoZr4A0uikMpxZ4uEwNLUMaTQu4If3fRe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )