UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGmfjWdiMyIacr+Z/EQ55doT6hLmYPEqr72btQ4BvdA=' 
WHERE 
  key_id = '935cff1a3eaf144b735708d5392336cbd0d26acb2c1b7fcb0a33991f7b87a4ba' 
  AND (
    token = 'MGmfjWdiMyIacr+Z/EQ55doT6hLmYPEqr72btQ4BvdA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )