UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hAppfZ1MOqnhdL5cwXA7htbSAg//lMg++7OO/LjDu2U=' 
WHERE 
  key_id = 'b917d286d37ceb596d7b63a93620c81dff344b70b0d78c5d092eebf49cb9b37b' 
  AND (
    token = 'hAppfZ1MOqnhdL5cwXA7htbSAg//lMg++7OO/LjDu2U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )