UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'enVa4FmGSs6CNjWDfY6860yGGMSBR5woslBcw3SRZlQ=' 
WHERE 
  key_id = '8b6eba0f9627cd3064bcfe717661f12ea4c178226db00aebd423be4895c5ba31' 
  AND (
    token = 'enVa4FmGSs6CNjWDfY6860yGGMSBR5woslBcw3SRZlQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )