UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ldi9kTWNSg0ZcHB2eS9g443pf6tIBqkldg8WiwZJAjY=' 
WHERE 
  key_id = '93df4cfcaa459f2f166acbf648097c4a1af0ade8faf247609d77a907b7e27ead' 
  AND (
    token = 'Ldi9kTWNSg0ZcHB2eS9g443pf6tIBqkldg8WiwZJAjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )