UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CxCHMllqsEf6hE60kx3FMy1l4i+dYzlSr2WzcQ4rsCA=' 
WHERE 
  key_id = '17de9c343fe26c53ced7245a58daba2412ee3f4be56adfc0148e16d00f17e636' 
  AND (
    token = 'CxCHMllqsEf6hE60kx3FMy1l4i+dYzlSr2WzcQ4rsCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )