UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tBzLYcN82Zt9/nkacunJgqjazXkk3Qan2lnQ+ZDGJUE=' 
WHERE 
  key_id = 'b51f691eeed89134b9ddadbd341e9e35e8f6b9e69a38fc19b21af81900ca8dac' 
  AND (
    token = 'tBzLYcN82Zt9/nkacunJgqjazXkk3Qan2lnQ+ZDGJUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )