UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iMdiTnEPL/MuZWw6+VFG0dT0QbFuBbHugx7MKq5V9tU=' 
WHERE 
  key_id = '8939c3790bdd1176b3d252467572583da3296da842bca25251ffa5ac065c243f' 
  AND (
    token = 'iMdiTnEPL/MuZWw6+VFG0dT0QbFuBbHugx7MKq5V9tU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )