UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L/M6yDHWFELkl3nOeu6CdUsNftbMV6rFOH5xFaBgYiE=' 
WHERE 
  key_id = '349e7a241461ecc11edfd0b5785c05062efa66012c237901d0e1a3b5f9f255a4' 
  AND (
    token = 'L/M6yDHWFELkl3nOeu6CdUsNftbMV6rFOH5xFaBgYiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )