UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EL/8N9La5EfMCA2NdasJnyAqRnG9TslBz0S7UNUiBxY=' 
WHERE 
  key_id = '1a042feceeacec7197f006ff607d1a3e8750adc98de63022c3cead849203d3c7' 
  AND (
    token = 'EL/8N9La5EfMCA2NdasJnyAqRnG9TslBz0S7UNUiBxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )