UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YytjPtKBJ0AUS17uMXRWhW9dOp5dUkBbHA4Q6EBnF+g=' 
WHERE 
  key_id = '7fc91d8fc5cf951d1ae4ca2e502dac79701e265b1d468c327f81a1de9650b7ac' 
  AND (
    token = 'YytjPtKBJ0AUS17uMXRWhW9dOp5dUkBbHA4Q6EBnF+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )