UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UDjxpnLD5V7hpqMPp5Qf8fYGeL1d/Lu8NzqDDVYgs34=' 
WHERE 
  key_id = '81ceab7533f8feb6cb098906ab907b89a2a688cff90b42ac1491ffaf23e2ca9f' 
  AND (
    token = 'UDjxpnLD5V7hpqMPp5Qf8fYGeL1d/Lu8NzqDDVYgs34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )