UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xoi8gnJIvlwY+LmNAMouL+bor3I7DkzQ26ivCG5Dqe8=' 
WHERE 
  key_id = '6d506f4cad09e8f33081538803acd34a0afffaf89a437132a9820d7ea7a80f3c' 
  AND (
    token = 'xoi8gnJIvlwY+LmNAMouL+bor3I7DkzQ26ivCG5Dqe8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )