UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q0bhZrmNv1DXRQ2TCu1qC+txHWhPeWagqis1o5mexWU=' 
WHERE 
  key_id = 'a1dfeb72e912799feb29192787c318cc74ae2766ceb420cbf83a6b591e75597b' 
  AND (
    token = 'Q0bhZrmNv1DXRQ2TCu1qC+txHWhPeWagqis1o5mexWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )