UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kk2iHaSjLNaO1H8yDhOHT70iOASAmlvOGhCvfQCYpYM=' 
WHERE 
  key_id = '20c7d3374d2db76ccca6ceed8c6fd8e663d60234556d3b0112fe90173d2a7da9' 
  AND (
    token = 'Kk2iHaSjLNaO1H8yDhOHT70iOASAmlvOGhCvfQCYpYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )